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Simple optimization to avoid a malloc for each query

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unknown 2004-11-09 15:50:33 +02:00
parent 8bddd44830
commit cd16e4c9c7
2 changed files with 4 additions and 6 deletions
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7
sql/sql_lex.cc
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@ -178,11 +178,8 @@ void lex_start(THD *thd, uchar *buf,uint length)
lex->trg_table= NULL; lex->trg_table= NULL;
lex->proc_list.first= 0; lex->proc_list.first= 0;
extern byte *sp_lex_spfuns_key(const byte *ptr, uint *plen, my_bool first); if (lex->spfuns.records)
hash_free(&lex->spfuns); hash_reset(&lex->spfuns);
hash_init(&lex->spfuns, system_charset_info, 0, 0, 0,
sp_lex_spfuns_key, 0, 0);
} }
void lex_end(LEX *lex) void lex_end(LEX *lex)

3
sql/sql_lex.h
View File

@ -758,7 +758,8 @@ typedef struct st_lex
st_lex() :result(0) st_lex() :result(0)
{ {
bzero((char *)&spfuns, sizeof(spfuns)); extern byte *sp_lex_spfuns_key(const byte *ptr, uint *plen, my_bool first);
hash_init(&spfuns, system_charset_info, 0, 0, 0, sp_lex_spfuns_key, 0, 0);
} }
~st_lex() ~st_lex()