pars0sym.cc File Reference

#include "pars0sym.h"
#include "mem0mem.h"
#include "data0type.h"
#include "data0data.h"
#include "pars0grm.h"
#include "pars0pars.h"
#include "que0que.h"
#include "eval0eval.h"
#include "row0sel.h"

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Functions
UNIV_INTERN sym_tab_t *	sym_tab_create (mem_heap_t *heap)
UNIV_INTERN void	sym_tab_free_private (sym_tab_t *sym_tab)
UNIV_INTERN sym_node_t *	sym_tab_add_int_lit (sym_tab_t *sym_tab, ulint val)
UNIV_INTERN sym_node_t *	sym_tab_add_str_lit (sym_tab_t *sym_tab, const byte *str, ulint len)
UNIV_INTERN sym_node_t *	sym_tab_add_bound_lit (sym_tab_t *sym_tab, const char *name, ulint *lit_type)
sym_node_t *	sym_tab_rebind_lit (sym_node_t *node, const void *address, ulint length)
UNIV_INTERN sym_node_t *	sym_tab_add_null_lit (sym_tab_t *sym_tab)
UNIV_INTERN sym_node_t *	sym_tab_add_id (sym_tab_t *sym_tab, byte *name, ulint len)
UNIV_INTERN sym_node_t *	sym_tab_add_bound_id (sym_tab_t *sym_tab, const char *name)

Detailed Description

SQL parser symbol table

Created 12/15/1997 Heikki Tuuri

Definition in file pars0sym.cc.

Function Documentation

UNIV_INTERN sym_node_t* sym_tab_add_bound_id	(	sym_tab_t *	sym_tab,
		const char *	name
	)

Add a bound identifier to a symbol table.

Returns

symbol table node

Parameters

sym_tab	in: symbol table
name	in: name of bound id

Definition at line 403 of file pars0sym.cc.

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UNIV_INTERN sym_node_t* sym_tab_add_bound_lit	(	sym_tab_t *	sym_tab,
		const char *	name,
		ulint *	lit_type
	)

Add a bound literal to a symbol table.

Returns

symbol table node

Parameters

sym_tab	in: symbol table
name	in: name of bound literal
lit_type	out: type of literal (PARS_*_LIT)

Definition at line 209 of file pars0sym.cc.

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UNIV_INTERN sym_node_t* sym_tab_add_id	(	sym_tab_t *	sym_tab,
		byte *	name,
		ulint	len
	)

Adds an identifier to a symbol table.

Returns

symbol table node

Parameters

sym_tab	in: symbol table
name	in: identifier name
len	in: identifier length

Definition at line 373 of file pars0sym.cc.

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UNIV_INTERN sym_node_t* sym_tab_add_int_lit	(	sym_tab_t *	sym_tab,
		ulint	val
	)

Adds an integer literal to a symbol table.

Returns

symbol table node

Parameters

sym_tab	in: symbol table
val	in: integer value

Definition at line 118 of file pars0sym.cc.

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UNIV_INTERN sym_node_t* sym_tab_add_null_lit

(

sym_tab_t *

sym_tab

)

Adds an SQL null literal to a symbol table.

Returns

symbol table node

Parameters

sym_tab

in: symbol table

Definition at line 334 of file pars0sym.cc.

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UNIV_INTERN sym_node_t* sym_tab_add_str_lit	(	sym_tab_t *	sym_tab,
		const byte *	str,
		ulint	len
	)

Adds a string literal to a symbol table.

Returns

symbol table node

Parameters

sym_tab	in: symbol table
str	in: string with no quotes around it
len	in: string length

Definition at line 162 of file pars0sym.cc.

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UNIV_INTERN sym_tab_t* sym_tab_create

(

mem_heap_t *

heap

)

Creates a symbol table for a single stored procedure or query.

Returns

own: symbol table

Parameters

heap	in: memory heap where to create

Definition at line 46 of file pars0sym.cc.

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UNIV_INTERN void sym_tab_free_private

(

sym_tab_t *

sym_tab

)

Frees the memory allocated dynamically AFTER parsing phase for variables etc. in the symbol table. Does not free the mem heap where the table was originally created. Frees also SQL explicit cursor definitions.

Parameters

sym_tab

in, own: symbol table

Definition at line 70 of file pars0sym.cc.

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