keyword.c File Reference

#include "config.h"
#include <stdlib.h>
#include <string.h>
#include "csql_grammar.h"
#include "parser.h"
#include "dbtype.h"
#include "string_opfunc.h"
#include "chartype.h"

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Macros
#define	GET_KEYWORD_HASH_VALUE(h, s)
#define	MAGIC_NUM_BI_SEQ   (5) /* Performance intersection between binary and sequential search */

Functions
static KEYWORD_RECORD *	pt_find_keyword (const char *text)
static int	keyword_cmp (const void *k1, const void *k2)
bool	pt_is_reserved_word (const char *text)
bool	pt_is_keyword (const char *text)
KEYWORD_RECORD *	pt_get_keyword_rec (int *rec_count)

Variables
static KEYWORD_RECORD	keywords []

Macro Definition Documentation

#define GET_KEYWORD_HASH_VALUE	(		h,
			s
	)

Value:

do { \
      unsigned char* p = (unsigned char*)(s); \
      for((h) = 5381;  *p; p++ ) \
        { \
             (h) = (((h) << 5) + (h)) + *p; /* hash * 33 + c */ \
        } \
  } while(0)

Definition at line 533 of file keyword.c.

Referenced by pt_find_keyword().

#define MAGIC_NUM_BI_SEQ   (5) /* Performance intersection between binary and sequential search */

Referenced by pt_find_keyword().

Function Documentation

static int keyword_cmp ( const void *  k1, const void *  k2  )

static

Definition at line 543 of file keyword.c.

References cmp.

Referenced by pt_find_keyword().

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static KEYWORD_RECORD * pt_find_keyword ( const char *  text )

static

Definition at line 561 of file keyword.c.

References char_toupper(), cmp, for(), GET_KEYWORD_HASH_VALUE, keyword_record::hash_value, i, keyword_record::keyword, keyword_cmp(), keywords, MAGIC_NUM_BI_SEQ, MAX_KEYWORD_SIZE, NULL, p, and strlen.

Referenced by pt_is_keyword(), and pt_is_reserved_word().

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KEYWORD_RECORD* pt_get_keyword_rec

(

int *

rec_count

)

Definition at line 757 of file keyword.c.

References keywords.

Referenced by start_csql().

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bool pt_is_keyword

(

const char *

text

)

Definition at line 724 of file keyword.c.

References pt_find_keyword().

Referenced by pt_append_name().

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bool pt_is_reserved_word

(

const char *

text

)

Definition at line 697 of file keyword.c.

References pt_find_keyword(), and keyword_record::unreserved.

Referenced by db_create_vclass().

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Variable Documentation

KEYWORD_RECORD keywords[]

static

Definition at line 41 of file keyword.c.

Referenced by changemode_keyword(), copylogdb_keyword(), pt_find_keyword(), and pt_get_keyword_rec().