Add support for SHOW TABLES statement
This commit is contained in:
Tim Zimmermann
parent
f815247510
commit
0233f77cef
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@ -45,3 +45,6 @@ cmake-build-debug/
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*.swp
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*.csv
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# macOS compilation dirs
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*.dSYM
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File diff suppressed because it is too large
Load Diff
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@ -1,8 +1,8 @@
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/* A Bison parser, made by GNU Bison 3.0.4. */
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/* A Bison parser, made by GNU Bison 3.0.2. */
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/* Bison interface for Yacc-like parsers in C
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Copyright (C) 1984, 1989-1990, 2000-2015 Free Software Foundation, Inc.
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Copyright (C) 1984, 1989-1990, 2000-2013 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -214,7 +214,7 @@ extern int hsql_debug;
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/* Value type. */
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#if ! defined HSQL_STYPE && ! defined HSQL_STYPE_IS_DECLARED
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typedef union HSQL_STYPE HSQL_STYPE;
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union HSQL_STYPE
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{
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#line 93 "bison_parser.y" /* yacc.c:1909 */
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@ -235,6 +235,7 @@ union HSQL_STYPE
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hsql::DropStatement* drop_stmt;
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hsql::PrepareStatement* prep_stmt;
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hsql::ExecuteStatement* exec_stmt;
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hsql::ShowStatement* show_stmt;
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hsql::TableRef* table;
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hsql::Expr* expr;
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@ -254,10 +255,8 @@ union HSQL_STYPE
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std::vector<hsql::Expr*>* expr_vec;
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std::vector<hsql::OrderDescription*>* order_vec;
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#line 258 "bison_parser.h" /* yacc.c:1909 */
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#line 259 "bison_parser.h" /* yacc.c:1909 */
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};
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typedef union HSQL_STYPE HSQL_STYPE;
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# define HSQL_STYPE_IS_TRIVIAL 1
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# define HSQL_STYPE_IS_DECLARED 1
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#endif
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@ -107,6 +107,7 @@ int yyerror(YYLTYPE* llocp, SQLParserResult* result, yyscan_t scanner, const cha
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hsql::DropStatement* drop_stmt;
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hsql::PrepareStatement* prep_stmt;
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hsql::ExecuteStatement* exec_stmt;
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hsql::ShowStatement* show_stmt;
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hsql::TableRef* table;
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hsql::Expr* expr;
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@ -182,6 +183,7 @@ int yyerror(YYLTYPE* llocp, SQLParserResult* result, yyscan_t scanner, const cha
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%type <delete_stmt> delete_statement truncate_statement
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%type <update_stmt> update_statement
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%type <drop_stmt> drop_statement
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%type <show_stmt> show_statement
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%type <sval> table_name opt_alias alias file_path prepare_target_query
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%type <bval> opt_not_exists opt_distinct
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%type <uval> import_file_type opt_join_type column_type
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@ -271,6 +273,9 @@ statement:
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$$ = $1;
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$$->hints = $2;
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}
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| show_statement {
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$$ = $1;
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}
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;
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@ -361,6 +366,22 @@ file_path:
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;
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/******************************
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* Show Statement
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* SHOW TABLES;
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******************************/
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show_statement:
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SHOW TABLES {
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$$ = new ShowStatement(kShowTables);
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}
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| SHOW COLUMNS table_name {
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$$ = new ShowStatement(kShowColumns);
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$$->name = $3;
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}
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;
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/******************************
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* Create Statement
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* CREATE TABLE students (name TEXT, student_number INTEGER, city TEXT, grade DOUBLE)
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@ -836,7 +857,7 @@ table_ref_atomic:
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| join_clause
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;
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nonjoin_table_ref_atomic:
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nonjoin_table_ref_atomic:
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table_ref_name
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| '(' select_statement ')' opt_alias {
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auto tbl = new TableRef(kTableSelect);
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@ -900,7 +921,7 @@ join_clause:
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$$->join->right = $4;
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}
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| table_ref_atomic opt_join_type JOIN table_ref_atomic ON join_condition
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{
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{
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$$ = new TableRef(kTableJoin);
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$$->join = new JoinDefinition();
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$$->join->type = (JoinType) $2;
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@ -910,7 +931,7 @@ join_clause:
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}
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table_ref_atomic opt_join_type JOIN table_ref_atomic USING '(' column_name ')'
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{
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{
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$$ = new TableRef(kTableJoin);
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$$->join = new JoinDefinition();
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$$->join->type = (JoinType) $2;
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File diff suppressed because it is too large
Load Diff
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@ -2,9 +2,9 @@
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#define hsql_HEADER_H 1
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#define hsql_IN_HEADER 1
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#line 5 "flex_lexer.h"
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#line 6 "flex_lexer.h"
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#line 7 "flex_lexer.h"
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#line 8 "flex_lexer.h"
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#define YY_INT_ALIGNED short int
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@ -12,246 +12,12 @@
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#define FLEX_SCANNER
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#define YY_FLEX_MAJOR_VERSION 2
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#define YY_FLEX_MINOR_VERSION 6
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#define YY_FLEX_SUBMINOR_VERSION 4
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#define YY_FLEX_MINOR_VERSION 5
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#define YY_FLEX_SUBMINOR_VERSION 35
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#if YY_FLEX_SUBMINOR_VERSION > 0
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#define FLEX_BETA
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#endif
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#ifdef yy_create_buffer
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#define hsql__create_buffer_ALREADY_DEFINED
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#else
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#define yy_create_buffer hsql__create_buffer
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#endif
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#ifdef yy_delete_buffer
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#define hsql__delete_buffer_ALREADY_DEFINED
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#else
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#define yy_delete_buffer hsql__delete_buffer
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#endif
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#ifdef yy_scan_buffer
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#define hsql__scan_buffer_ALREADY_DEFINED
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#else
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#define yy_scan_buffer hsql__scan_buffer
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#endif
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#ifdef yy_scan_string
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#define hsql__scan_string_ALREADY_DEFINED
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#else
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#define yy_scan_string hsql__scan_string
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#endif
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#ifdef yy_scan_bytes
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#define hsql__scan_bytes_ALREADY_DEFINED
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#else
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#define yy_scan_bytes hsql__scan_bytes
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#endif
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#ifdef yy_init_buffer
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#define hsql__init_buffer_ALREADY_DEFINED
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#else
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#define yy_init_buffer hsql__init_buffer
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#endif
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#ifdef yy_flush_buffer
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#define hsql__flush_buffer_ALREADY_DEFINED
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#else
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#define yy_flush_buffer hsql__flush_buffer
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#endif
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#ifdef yy_load_buffer_state
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#define hsql__load_buffer_state_ALREADY_DEFINED
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#else
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#define yy_load_buffer_state hsql__load_buffer_state
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#endif
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#ifdef yy_switch_to_buffer
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#define hsql__switch_to_buffer_ALREADY_DEFINED
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#else
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#define yy_switch_to_buffer hsql__switch_to_buffer
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#endif
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#ifdef yypush_buffer_state
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#define hsql_push_buffer_state_ALREADY_DEFINED
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#else
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#define yypush_buffer_state hsql_push_buffer_state
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#endif
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#ifdef yypop_buffer_state
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#define hsql_pop_buffer_state_ALREADY_DEFINED
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#else
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#define yypop_buffer_state hsql_pop_buffer_state
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#endif
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#ifdef yyensure_buffer_stack
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#define hsql_ensure_buffer_stack_ALREADY_DEFINED
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#else
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#define yyensure_buffer_stack hsql_ensure_buffer_stack
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#endif
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#ifdef yylex
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#define hsql_lex_ALREADY_DEFINED
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#else
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#define yylex hsql_lex
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#endif
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#ifdef yyrestart
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#define hsql_restart_ALREADY_DEFINED
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#else
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#define yyrestart hsql_restart
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#endif
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#ifdef yylex_init
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#define hsql_lex_init_ALREADY_DEFINED
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#else
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#define yylex_init hsql_lex_init
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#endif
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#ifdef yylex_init_extra
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#define hsql_lex_init_extra_ALREADY_DEFINED
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#else
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#define yylex_init_extra hsql_lex_init_extra
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#endif
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#ifdef yylex_destroy
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#define hsql_lex_destroy_ALREADY_DEFINED
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#else
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#define yylex_destroy hsql_lex_destroy
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#endif
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#ifdef yyget_debug
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#define hsql_get_debug_ALREADY_DEFINED
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#else
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#define yyget_debug hsql_get_debug
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#endif
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#ifdef yyset_debug
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#define hsql_set_debug_ALREADY_DEFINED
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#else
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#define yyset_debug hsql_set_debug
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#endif
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#ifdef yyget_extra
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#define hsql_get_extra_ALREADY_DEFINED
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#else
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#define yyget_extra hsql_get_extra
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#endif
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#ifdef yyset_extra
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#define hsql_set_extra_ALREADY_DEFINED
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#else
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#define yyset_extra hsql_set_extra
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#endif
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#ifdef yyget_in
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#define hsql_get_in_ALREADY_DEFINED
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#else
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#define yyget_in hsql_get_in
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#endif
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#ifdef yyset_in
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#define hsql_set_in_ALREADY_DEFINED
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#else
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#define yyset_in hsql_set_in
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#endif
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#ifdef yyget_out
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#define hsql_get_out_ALREADY_DEFINED
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#else
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#define yyget_out hsql_get_out
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#endif
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#ifdef yyset_out
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#define hsql_set_out_ALREADY_DEFINED
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#else
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#define yyset_out hsql_set_out
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#endif
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#ifdef yyget_leng
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#define hsql_get_leng_ALREADY_DEFINED
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#else
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#define yyget_leng hsql_get_leng
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#endif
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#ifdef yyget_text
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#define hsql_get_text_ALREADY_DEFINED
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#else
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#define yyget_text hsql_get_text
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#endif
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#ifdef yyget_lineno
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#define hsql_get_lineno_ALREADY_DEFINED
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#else
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#define yyget_lineno hsql_get_lineno
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#endif
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#ifdef yyset_lineno
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#define hsql_set_lineno_ALREADY_DEFINED
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#else
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#define yyset_lineno hsql_set_lineno
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#endif
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#ifdef yyget_column
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#define hsql_get_column_ALREADY_DEFINED
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#else
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#define yyget_column hsql_get_column
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#endif
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#ifdef yyset_column
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#define hsql_set_column_ALREADY_DEFINED
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#else
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#define yyset_column hsql_set_column
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#endif
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#ifdef yywrap
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#define hsql_wrap_ALREADY_DEFINED
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#else
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#define yywrap hsql_wrap
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#endif
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#ifdef yyget_lval
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#define hsql_get_lval_ALREADY_DEFINED
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#else
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#define yyget_lval hsql_get_lval
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#endif
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#ifdef yyset_lval
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#define hsql_set_lval_ALREADY_DEFINED
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#else
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#define yyset_lval hsql_set_lval
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#endif
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#ifdef yyget_lloc
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#define hsql_get_lloc_ALREADY_DEFINED
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#else
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#define yyget_lloc hsql_get_lloc
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#endif
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#ifdef yyset_lloc
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#define hsql_set_lloc_ALREADY_DEFINED
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#else
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#define yyset_lloc hsql_set_lloc
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#endif
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#ifdef yyalloc
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#define hsql_alloc_ALREADY_DEFINED
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#else
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#define yyalloc hsql_alloc
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#endif
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#ifdef yyrealloc
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#define hsql_realloc_ALREADY_DEFINED
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#else
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#define yyrealloc hsql_realloc
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#endif
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#ifdef yyfree
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#define hsql_free_ALREADY_DEFINED
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#else
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#define yyfree hsql_free
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#endif
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/* First, we deal with platform-specific or compiler-specific issues. */
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/* begin standard C headers. */
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@ -322,23 +88,29 @@ typedef unsigned int flex_uint32_t;
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#define UINT32_MAX (4294967295U)
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#endif
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#ifndef SIZE_MAX
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#define SIZE_MAX (~(size_t)0)
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#endif
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#endif /* ! C99 */
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#endif /* ! FLEXINT_H */
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/* begin standard C++ headers. */
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#ifdef __cplusplus
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/* TODO: this is always defined, so inline it */
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/* The "const" storage-class-modifier is valid. */
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#define YY_USE_CONST
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#else /* ! __cplusplus */
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/* C99 requires __STDC__ to be defined as 1. */
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#if defined (__STDC__)
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#define YY_USE_CONST
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#endif /* defined (__STDC__) */
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#endif /* ! __cplusplus */
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#ifdef YY_USE_CONST
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#define yyconst const
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#if defined(__GNUC__) && __GNUC__ >= 3
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#define yynoreturn __attribute__((__noreturn__))
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#else
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#define yynoreturn
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#define yyconst
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#endif
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/* An opaque pointer. */
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@ -393,7 +165,7 @@ struct yy_buffer_state
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/* Size of input buffer in bytes, not including room for EOB
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* characters.
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*/
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int yy_buf_size;
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yy_size_t yy_buf_size;
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/* Number of characters read into yy_ch_buf, not including EOB
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* characters.
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@ -421,7 +193,7 @@ struct yy_buffer_state
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int yy_bs_lineno; /**< The line count. */
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int yy_bs_column; /**< The column count. */
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/* Whether to try to fill the input buffer when we reach the
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* end of it.
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*/
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@ -432,25 +204,25 @@ struct yy_buffer_state
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};
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#endif /* !YY_STRUCT_YY_BUFFER_STATE */
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void yyrestart ( FILE *input_file , yyscan_t yyscanner );
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void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer , yyscan_t yyscanner );
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YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size , yyscan_t yyscanner );
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void yy_delete_buffer ( YY_BUFFER_STATE b , yyscan_t yyscanner );
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void yy_flush_buffer ( YY_BUFFER_STATE b , yyscan_t yyscanner );
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void yypush_buffer_state ( YY_BUFFER_STATE new_buffer , yyscan_t yyscanner );
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void yypop_buffer_state ( yyscan_t yyscanner );
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void hsql_restart (FILE *input_file ,yyscan_t yyscanner );
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void hsql__switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
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YY_BUFFER_STATE hsql__create_buffer (FILE *file,int size ,yyscan_t yyscanner );
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void hsql__delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
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void hsql__flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
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void hsql_push_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
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void hsql_pop_buffer_state (yyscan_t yyscanner );
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YY_BUFFER_STATE yy_scan_buffer ( char *base, yy_size_t size , yyscan_t yyscanner );
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YY_BUFFER_STATE yy_scan_string ( const char *yy_str , yyscan_t yyscanner );
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YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len , yyscan_t yyscanner );
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YY_BUFFER_STATE hsql__scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner );
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YY_BUFFER_STATE hsql__scan_string (yyconst char *yy_str ,yyscan_t yyscanner );
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YY_BUFFER_STATE hsql__scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner );
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void *yyalloc ( yy_size_t , yyscan_t yyscanner );
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void *yyrealloc ( void *, yy_size_t , yyscan_t yyscanner );
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void yyfree ( void * , yyscan_t yyscanner );
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void *hsql_alloc (yy_size_t ,yyscan_t yyscanner );
|
||||
void *hsql_realloc (void *,yy_size_t ,yyscan_t yyscanner );
|
||||
void hsql_free (void * ,yyscan_t yyscanner );
|
||||
|
||||
/* Begin user sect3 */
|
||||
|
||||
#define hsql_wrap(yyscanner) (/*CONSTCOND*/1)
|
||||
#define hsql_wrap(n) 1
|
||||
#define YY_SKIP_YYWRAP
|
||||
|
||||
#define yytext_ptr yytext_r
|
||||
|
|
@ -473,50 +245,46 @@ void yyfree ( void * , yyscan_t yyscanner );
|
|||
#define YY_EXTRA_TYPE void *
|
||||
#endif
|
||||
|
||||
int yylex_init (yyscan_t* scanner);
|
||||
int hsql_lex_init (yyscan_t* scanner);
|
||||
|
||||
int yylex_init_extra ( YY_EXTRA_TYPE user_defined, yyscan_t* scanner);
|
||||
int hsql_lex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner);
|
||||
|
||||
/* Accessor methods to globals.
|
||||
These are made visible to non-reentrant scanners for convenience. */
|
||||
|
||||
int yylex_destroy ( yyscan_t yyscanner );
|
||||
int hsql_lex_destroy (yyscan_t yyscanner );
|
||||
|
||||
int yyget_debug ( yyscan_t yyscanner );
|
||||
int hsql_get_debug (yyscan_t yyscanner );
|
||||
|
||||
void yyset_debug ( int debug_flag , yyscan_t yyscanner );
|
||||
void hsql_set_debug (int debug_flag ,yyscan_t yyscanner );
|
||||
|
||||
YY_EXTRA_TYPE yyget_extra ( yyscan_t yyscanner );
|
||||
YY_EXTRA_TYPE hsql_get_extra (yyscan_t yyscanner );
|
||||
|
||||
void yyset_extra ( YY_EXTRA_TYPE user_defined , yyscan_t yyscanner );
|
||||
void hsql_set_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner );
|
||||
|
||||
FILE *yyget_in ( yyscan_t yyscanner );
|
||||
FILE *hsql_get_in (yyscan_t yyscanner );
|
||||
|
||||
void yyset_in ( FILE * _in_str , yyscan_t yyscanner );
|
||||
void hsql_set_in (FILE * in_str ,yyscan_t yyscanner );
|
||||
|
||||
FILE *yyget_out ( yyscan_t yyscanner );
|
||||
FILE *hsql_get_out (yyscan_t yyscanner );
|
||||
|
||||
void yyset_out ( FILE * _out_str , yyscan_t yyscanner );
|
||||
void hsql_set_out (FILE * out_str ,yyscan_t yyscanner );
|
||||
|
||||
int yyget_leng ( yyscan_t yyscanner );
|
||||
int hsql_get_leng (yyscan_t yyscanner );
|
||||
|
||||
char *yyget_text ( yyscan_t yyscanner );
|
||||
char *hsql_get_text (yyscan_t yyscanner );
|
||||
|
||||
int yyget_lineno ( yyscan_t yyscanner );
|
||||
int hsql_get_lineno (yyscan_t yyscanner );
|
||||
|
||||
void yyset_lineno ( int _line_number , yyscan_t yyscanner );
|
||||
void hsql_set_lineno (int line_number ,yyscan_t yyscanner );
|
||||
|
||||
int yyget_column ( yyscan_t yyscanner );
|
||||
YYSTYPE * hsql_get_lval (yyscan_t yyscanner );
|
||||
|
||||
void yyset_column ( int _column_no , yyscan_t yyscanner );
|
||||
void hsql_set_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner );
|
||||
|
||||
YYSTYPE * yyget_lval ( yyscan_t yyscanner );
|
||||
|
||||
void yyset_lval ( YYSTYPE * yylval_param , yyscan_t yyscanner );
|
||||
|
||||
YYLTYPE *yyget_lloc ( yyscan_t yyscanner );
|
||||
YYLTYPE *hsql_get_lloc (yyscan_t yyscanner );
|
||||
|
||||
void yyset_lloc ( YYLTYPE * yylloc_param , yyscan_t yyscanner );
|
||||
void hsql_set_lloc (YYLTYPE * yylloc_param ,yyscan_t yyscanner );
|
||||
|
||||
/* Macros after this point can all be overridden by user definitions in
|
||||
* section 1.
|
||||
|
|
@ -524,18 +292,18 @@ void yyset_lval ( YYSTYPE * yylval_param , yyscan_t yyscanner );
|
|||
|
||||
#ifndef YY_SKIP_YYWRAP
|
||||
#ifdef __cplusplus
|
||||
extern "C" int yywrap ( yyscan_t yyscanner );
|
||||
extern "C" int hsql_wrap (yyscan_t yyscanner );
|
||||
#else
|
||||
extern int yywrap ( yyscan_t yyscanner );
|
||||
extern int hsql_wrap (yyscan_t yyscanner );
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifndef yytext_ptr
|
||||
static void yy_flex_strncpy ( char *, const char *, int , yyscan_t yyscanner);
|
||||
static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner);
|
||||
#endif
|
||||
|
||||
#ifdef YY_NEED_STRLEN
|
||||
static int yy_flex_strlen ( const char * , yyscan_t yyscanner);
|
||||
static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner);
|
||||
#endif
|
||||
|
||||
#ifndef YY_NO_INPUT
|
||||
|
|
@ -563,10 +331,10 @@ static int yy_flex_strlen ( const char * , yyscan_t yyscanner);
|
|||
#ifndef YY_DECL
|
||||
#define YY_DECL_IS_OURS 1
|
||||
|
||||
extern int yylex \
|
||||
(YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner);
|
||||
extern int hsql_lex \
|
||||
(YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner);
|
||||
|
||||
#define YY_DECL int yylex \
|
||||
#define YY_DECL int hsql_lex \
|
||||
(YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner)
|
||||
#endif /* !YY_DECL */
|
||||
|
||||
|
|
@ -584,154 +352,9 @@ extern int yylex \
|
|||
#undef YY_DECL
|
||||
#endif
|
||||
|
||||
#ifndef hsql__create_buffer_ALREADY_DEFINED
|
||||
#undef yy_create_buffer
|
||||
#endif
|
||||
#ifndef hsql__delete_buffer_ALREADY_DEFINED
|
||||
#undef yy_delete_buffer
|
||||
#endif
|
||||
#ifndef hsql__scan_buffer_ALREADY_DEFINED
|
||||
#undef yy_scan_buffer
|
||||
#endif
|
||||
#ifndef hsql__scan_string_ALREADY_DEFINED
|
||||
#undef yy_scan_string
|
||||
#endif
|
||||
#ifndef hsql__scan_bytes_ALREADY_DEFINED
|
||||
#undef yy_scan_bytes
|
||||
#endif
|
||||
#ifndef hsql__init_buffer_ALREADY_DEFINED
|
||||
#undef yy_init_buffer
|
||||
#endif
|
||||
#ifndef hsql__flush_buffer_ALREADY_DEFINED
|
||||
#undef yy_flush_buffer
|
||||
#endif
|
||||
#ifndef hsql__load_buffer_state_ALREADY_DEFINED
|
||||
#undef yy_load_buffer_state
|
||||
#endif
|
||||
#ifndef hsql__switch_to_buffer_ALREADY_DEFINED
|
||||
#undef yy_switch_to_buffer
|
||||
#endif
|
||||
#ifndef hsql_push_buffer_state_ALREADY_DEFINED
|
||||
#undef yypush_buffer_state
|
||||
#endif
|
||||
#ifndef hsql_pop_buffer_state_ALREADY_DEFINED
|
||||
#undef yypop_buffer_state
|
||||
#endif
|
||||
#ifndef hsql_ensure_buffer_stack_ALREADY_DEFINED
|
||||
#undef yyensure_buffer_stack
|
||||
#endif
|
||||
#ifndef hsql_lex_ALREADY_DEFINED
|
||||
#undef yylex
|
||||
#endif
|
||||
#ifndef hsql_restart_ALREADY_DEFINED
|
||||
#undef yyrestart
|
||||
#endif
|
||||
#ifndef hsql_lex_init_ALREADY_DEFINED
|
||||
#undef yylex_init
|
||||
#endif
|
||||
#ifndef hsql_lex_init_extra_ALREADY_DEFINED
|
||||
#undef yylex_init_extra
|
||||
#endif
|
||||
#ifndef hsql_lex_destroy_ALREADY_DEFINED
|
||||
#undef yylex_destroy
|
||||
#endif
|
||||
#ifndef hsql_get_debug_ALREADY_DEFINED
|
||||
#undef yyget_debug
|
||||
#endif
|
||||
#ifndef hsql_set_debug_ALREADY_DEFINED
|
||||
#undef yyset_debug
|
||||
#endif
|
||||
#ifndef hsql_get_extra_ALREADY_DEFINED
|
||||
#undef yyget_extra
|
||||
#endif
|
||||
#ifndef hsql_set_extra_ALREADY_DEFINED
|
||||
#undef yyset_extra
|
||||
#endif
|
||||
#ifndef hsql_get_in_ALREADY_DEFINED
|
||||
#undef yyget_in
|
||||
#endif
|
||||
#ifndef hsql_set_in_ALREADY_DEFINED
|
||||
#undef yyset_in
|
||||
#endif
|
||||
#ifndef hsql_get_out_ALREADY_DEFINED
|
||||
#undef yyget_out
|
||||
#endif
|
||||
#ifndef hsql_set_out_ALREADY_DEFINED
|
||||
#undef yyset_out
|
||||
#endif
|
||||
#ifndef hsql_get_leng_ALREADY_DEFINED
|
||||
#undef yyget_leng
|
||||
#endif
|
||||
#ifndef hsql_get_text_ALREADY_DEFINED
|
||||
#undef yyget_text
|
||||
#endif
|
||||
#ifndef hsql_get_lineno_ALREADY_DEFINED
|
||||
#undef yyget_lineno
|
||||
#endif
|
||||
#ifndef hsql_set_lineno_ALREADY_DEFINED
|
||||
#undef yyset_lineno
|
||||
#endif
|
||||
#ifndef hsql_get_column_ALREADY_DEFINED
|
||||
#undef yyget_column
|
||||
#endif
|
||||
#ifndef hsql_set_column_ALREADY_DEFINED
|
||||
#undef yyset_column
|
||||
#endif
|
||||
#ifndef hsql_wrap_ALREADY_DEFINED
|
||||
#undef yywrap
|
||||
#endif
|
||||
#ifndef hsql_get_lval_ALREADY_DEFINED
|
||||
#undef yyget_lval
|
||||
#endif
|
||||
#ifndef hsql_set_lval_ALREADY_DEFINED
|
||||
#undef yyset_lval
|
||||
#endif
|
||||
#ifndef hsql_get_lloc_ALREADY_DEFINED
|
||||
#undef yyget_lloc
|
||||
#endif
|
||||
#ifndef hsql_set_lloc_ALREADY_DEFINED
|
||||
#undef yyset_lloc
|
||||
#endif
|
||||
#ifndef hsql_alloc_ALREADY_DEFINED
|
||||
#undef yyalloc
|
||||
#endif
|
||||
#ifndef hsql_realloc_ALREADY_DEFINED
|
||||
#undef yyrealloc
|
||||
#endif
|
||||
#ifndef hsql_free_ALREADY_DEFINED
|
||||
#undef yyfree
|
||||
#endif
|
||||
#ifndef hsql_text_ALREADY_DEFINED
|
||||
#undef yytext
|
||||
#endif
|
||||
#ifndef hsql_leng_ALREADY_DEFINED
|
||||
#undef yyleng
|
||||
#endif
|
||||
#ifndef hsql_in_ALREADY_DEFINED
|
||||
#undef yyin
|
||||
#endif
|
||||
#ifndef hsql_out_ALREADY_DEFINED
|
||||
#undef yyout
|
||||
#endif
|
||||
#ifndef hsql__flex_debug_ALREADY_DEFINED
|
||||
#undef yy_flex_debug
|
||||
#endif
|
||||
#ifndef hsql_lineno_ALREADY_DEFINED
|
||||
#undef yylineno
|
||||
#endif
|
||||
#ifndef hsql_tables_fload_ALREADY_DEFINED
|
||||
#undef yytables_fload
|
||||
#endif
|
||||
#ifndef hsql_tables_destroy_ALREADY_DEFINED
|
||||
#undef yytables_destroy
|
||||
#endif
|
||||
#ifndef hsql_TABLES_NAME_ALREADY_DEFINED
|
||||
#undef yyTABLES_NAME
|
||||
#endif
|
||||
|
||||
#line 217 "flex_lexer.l"
|
||||
|
||||
|
||||
#line 735 "flex_lexer.h"
|
||||
#line 359 "flex_lexer.h"
|
||||
#undef hsql_IN_HEADER
|
||||
#endif /* hsql_HEADER_H */
|
||||
|
|
|
|||
|
|
@ -19,7 +19,8 @@ namespace hsql {
|
|||
kStmtExecute,
|
||||
kStmtExport,
|
||||
kStmtRename,
|
||||
kStmtAlter
|
||||
kStmtAlter,
|
||||
kStmtShow
|
||||
};
|
||||
|
||||
// Base struct for every SQL statement
|
||||
|
|
|
|||
|
|
@ -0,0 +1,26 @@
|
|||
#ifndef __SQLPARSER__SHOW_STATEMENT_H__
|
||||
#define __SQLPARSER__SHOW_STATEMENT_H__
|
||||
|
||||
#include "SQLStatement.h"
|
||||
|
||||
// Note: Implementations of constructors and destructors can be found in statements.cpp.
|
||||
namespace hsql {
|
||||
|
||||
enum ShowType {
|
||||
kShowColumns,
|
||||
kShowTables
|
||||
};
|
||||
|
||||
// Represents SQL SHOW statements.
|
||||
// Example "SHOW TABLES;"
|
||||
struct ShowStatement : SQLStatement {
|
||||
|
||||
ShowStatement(ShowType type);
|
||||
virtual ~ShowStatement();
|
||||
|
||||
ShowType type;
|
||||
char* name;
|
||||
};
|
||||
|
||||
} // namespace hsql
|
||||
#endif
|
||||
|
|
@ -121,6 +121,16 @@ namespace hsql {
|
|||
}
|
||||
}
|
||||
|
||||
// ShowStatament
|
||||
ShowStatement::ShowStatement(ShowType type) :
|
||||
SQLStatement(kStmtShow),
|
||||
type(type),
|
||||
name(nullptr) {}
|
||||
|
||||
ShowStatement::~ShowStatement() {
|
||||
free(name);
|
||||
}
|
||||
|
||||
// SelectStatement.h
|
||||
|
||||
// OrderDescription
|
||||
|
|
|
|||
|
|
@ -10,5 +10,6 @@
|
|||
#include "DropStatement.h"
|
||||
#include "PrepareStatement.h"
|
||||
#include "ExecuteStatement.h"
|
||||
#include "ShowStatement.h"
|
||||
|
||||
#endif // __SQLPARSER__STATEMENTS_H__
|
||||
#endif // __SQLPARSER__STATEMENTS_H__
|
||||
|
|
|
|||
|
|
@ -8,4 +8,5 @@
|
|||
!CREATE TABLE "table" FROM TBL FILE 'students.tbl';SELECT 1
|
||||
!CREATE TABLE "table" FROM TBL FILE 'students.tbl';1
|
||||
!INSERT INTO test_table VALUESd (1, 2, 'test');
|
||||
!SELECT * FROM t WHERE a = ? AND b = ?;SELECT 1;
|
||||
!SELECT * FROM t WHERE a = ? AND b = ?;SELECT 1;
|
||||
!SHOW COLUMNS;
|
||||
|
|
|
|||
|
|
@ -48,4 +48,6 @@ DEALLOCATE PREPARE prep;
|
|||
# HINTS
|
||||
SELECT * FROM test WITH HINT(NO_CACHE);
|
||||
SELECT * FROM test WITH HINT(NO_CACHE, NO_SAMPLING);
|
||||
SELECT * FROM test WITH HINT(NO_CACHE, SAMPLE_RATE(0.1), OMW(1.0, 'test'));
|
||||
SELECT * FROM test WITH HINT(NO_CACHE, SAMPLE_RATE(0.1), OMW(1.0, 'test'));
|
||||
SHOW TABLES;
|
||||
SHOW COLUMNS students;
|
||||
|
|
|
|||
|
|
@ -127,6 +127,31 @@ TEST(ReleaseStatementTest) {
|
|||
}
|
||||
}
|
||||
|
||||
TEST(ShowTableStatementTest) {
|
||||
TEST_PARSE_SINGLE_SQL(
|
||||
"SHOW TABLES;",
|
||||
kStmtShow,
|
||||
ShowStatement,
|
||||
result,
|
||||
stmt);
|
||||
|
||||
ASSERT_EQ(stmt->type, kShowTables);
|
||||
ASSERT_NULL(stmt->name);
|
||||
}
|
||||
|
||||
TEST(ShowColumnsStatementTest) {
|
||||
TEST_PARSE_SINGLE_SQL(
|
||||
"SHOW COLUMNS students;",
|
||||
kStmtShow,
|
||||
ShowStatement,
|
||||
result,
|
||||
stmt);
|
||||
|
||||
ASSERT_EQ(stmt->type, kShowColumns);
|
||||
ASSERT_NOTNULL(stmt->name);
|
||||
ASSERT_STREQ(stmt->name, "students");
|
||||
}
|
||||
|
||||
|
||||
SQLParserResult parse_and_move(std::string query) {
|
||||
hsql::SQLParserResult result;
|
||||
|
|
|
|||
Loading…
Reference in New Issue