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Support of multibyte encoding for pg_trgm

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This commit is contained in:
Teodor Sigaev
2008-11-12 13:43:54 +00:00
parent e4ffd143a3
commit b87b52bf04
3 changed files with 161 additions and 88 deletions
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11
contrib/pg_trgm/trgm.h
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@ -1,5 +1,5 @@
/*
* $PostgreSQL: pgsql/contrib/pg_trgm/trgm.h,v 1.9 2008/05/17 01:28:21 adunstan Exp $
* $PostgreSQL: pgsql/contrib/pg_trgm/trgm.h,v 1.10 2008/11/12 13:43:54 teodor Exp $
*/
#ifndef __TRGM_H__
#define __TRGM_H__
@ -31,7 +31,14 @@ typedef char trgm[3];
*(((char*)(a))+2) = *(((char*)(b))+2); \
} while(0);
#define TRGMINT(a) ( (*(((char*)(a))+2)<<16)+(*(((char*)(a))+1)<<8)+*(((char*)(a))+0) )
uint32 trgm2int(trgm *ptr);
#ifdef KEEPONLYALNUM
#define ISPRINTABLECHAR(a) ( isascii( *(unsigned char*)(a) ) && (isalnum( *(unsigned char*)(a) ) || *(unsigned char*)(a)==' ') )
#else
#define ISPRINTABLECHAR(a) ( isascii( *(unsigned char*)(a) ) && isprint( *(unsigned char*)(a) ) )
#endif
#define ISPRINTABLETRGM(t) ( ISPRINTABLECHAR( ((char*)t) ) && ISPRINTABLECHAR( ((char*)t)+1 ) && ISPRINTABLECHAR( ((char*)t)+2 ) )
typedef struct
{