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Remove backup states from Unicode escapes patch

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This commit is contained in:
Peter Eisentraut 2009-09-25 20:51:37 +00:00
parent e33eeb249e
commit ada0116e56
1 changed files with 3 additions and 3 deletions
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6
src/backend/parser/scan.l
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@ -24,7 +24,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/scan.l,v 1.159 2009/09/22 23:52:53 petere Exp $
* $PostgreSQL: pgsql/src/backend/parser/scan.l,v 1.160 2009/09/25 20:51:37 petere Exp $
*
*-------------------------------------------------------------------------
*/
@ -231,7 +231,7 @@ xeescape [\\][^0-7]
xeoctesc [\\][0-7]{1,3}
xehexesc [\\]x[0-9A-Fa-f]{1,2}
xeunicode [\\](u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})
xeunicodebad [\\]([uU])
xeunicodefail [\\](u[0-9A-Fa-f]{0,3}|U[0-9A-Fa-f]{0,7})
/* Extended quote
* xqdouble implements embedded quote, ''''
@ -575,7 +575,7 @@ other .
<xeu>\n |
<xeu><<EOF>> { yyerror("invalid Unicode surrogate pair"); }
<xe>{xeunicodebad} {
<xe,xeu>{xeunicodefail} {
ereport(ERROR,
(errcode(ERRCODE_INVALID_ESCAPE_SEQUENCE),
errmsg("invalid Unicode escape"),