Commit1409819

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Fix for textcat on varchar() fields.

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Lines changed: 6 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@`
`7`	`7`	`*`
`8`	`8`	`*`
`9`	`9`	`* IDENTIFICATION`
`10`		`- * $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.21 1997/09/08 21:48:42 momjian Exp $`
	`10`	`+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.22 1997/11/23 21:39:12 momjian Exp $`
`11`	`11`	`*`
`12`	`12`	`*-------------------------------------------------------------------------`
`13`	`13`	`*/`
`@@ -253,9 +253,14 @@ textcat(text t1, text t2)`
`253`	`253`	`len1= (PointerIsValid(t1) ? (VARSIZE(t1)-VARHDRSZ) :0);`
`254`	`254`	`if (len1<0)`
`255`	`255`	`len1=0;`
	`256`	`+while (len1>0&&VARDATA(t1)[len1-1]=='\0')`
	`257`	`+len1--;`
	`258`	`+`
`256`	`259`	`len2= (PointerIsValid(t2) ? (VARSIZE(t2)-VARHDRSZ) :0);`
`257`	`260`	`if (len2<0)`
`258`	`261`	`len2=0;`
	`262`	`+while (len2>0&&VARDATA(t2)[len2-1]=='\0')`
	`263`	`+len2--;`
`259`	`264`
`260`	`265`	`result=PALLOC(len=len1+len2+VARHDRSZ);`
`261`	`266`

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