mirror of https://github.com/postgres/postgres
Accept CREATE DATABASE WITH ENCODING 'SQL_ASCII' even when MULTIBYTE
support is not present. This allows a non-MB server to load a pg_dumpall script produced by an MB-enabled server, so long as only ASCII encoding was used.
This commit is contained in:
Tom Lane
parent
53f300d49e
commit
f9453f468d
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@ -11,7 +11,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.197 2000/10/22 23:32:48 tgl Exp $
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* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.198 2000/10/25 18:56:16 tgl Exp $
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*
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* HISTORY
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* AUTHOR DATE MAJOR EVENT
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@ -55,6 +55,9 @@
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#ifdef MULTIBYTE
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#include "miscadmin.h"
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#include "mb/pg_wchar.h"
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#else
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#define GetTemplateEncoding() 0 /* SQL_ASCII */
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#define GetTemplateEncodingName() "SQL_ASCII"
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#endif
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extern List *parsetree; /* final parse result is delivered here */
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@ -677,11 +680,7 @@ CreateSchemaStmt: CREATE SCHEMA UserId
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CreatedbStmt *n = makeNode(CreatedbStmt);
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n->dbname = $3;
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n->dbpath = NULL;
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#ifdef MULTIBYTE
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n->encoding = GetTemplateEncoding();
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#else
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n->encoding = 0;
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#endif
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$$ = (Node *)n;
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}
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;
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@ -788,14 +787,10 @@ VariableSetStmt: SET ColId TO var_value
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}
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| SET NAMES opt_encoding
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{
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#ifdef MULTIBYTE
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VariableSetStmt *n = makeNode(VariableSetStmt);
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n->name = "client_encoding";
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n->value = $3;
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$$ = (Node *) n;
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#else
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elog(ERROR, "SET NAMES is not supported");
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#endif
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}
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;
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@ -813,47 +808,47 @@ var_value: opt_boolean { $$ = $1; }
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}
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| '-' ICONST
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{
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char buf[64];
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sprintf(buf, "%d", -($2));
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$$ = pstrdup(buf);
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}
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char buf[64];
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sprintf(buf, "%d", -($2));
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$$ = pstrdup(buf);
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}
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| FCONST { $$ = $1; }
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| '-' FCONST
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{
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char * s = palloc(strlen($2)+2);
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s[0] = '-';
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strcpy(s + 1, $2);
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$$ = s;
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}
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char * s = palloc(strlen($2)+2);
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s[0] = '-';
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strcpy(s + 1, $2);
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$$ = s;
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}
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| name_list
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{
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List *n;
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int slen = 0;
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char *result;
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List *n;
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int slen = 0;
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char *result;
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/* List of words? Then concatenate together */
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if ($1 == NIL)
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elog(ERROR, "SET must have at least one argument");
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/* List of words? Then concatenate together */
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if ($1 == NIL)
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elog(ERROR, "SET must have at least one argument");
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foreach (n, $1)
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{
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Value *p = (Value *) lfirst(n);
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Assert(IsA(p, String));
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/* keep track of room for string and trailing comma */
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slen += (strlen(p->val.str) + 1);
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foreach (n, $1)
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{
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Value *p = (Value *) lfirst(n);
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Assert(IsA(p, String));
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/* keep track of room for string and trailing comma */
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slen += (strlen(p->val.str) + 1);
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}
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result = palloc(slen + 1);
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*result = '\0';
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foreach (n, $1)
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{
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Value *p = (Value *) lfirst(n);
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strcat(result, p->val.str);
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strcat(result, ",");
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}
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/* remove the trailing comma from the last element */
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*(result+strlen(result)-1) = '\0';
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$$ = result;
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}
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result = palloc(slen + 1);
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*result = '\0';
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foreach (n, $1)
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{
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Value *p = (Value *) lfirst(n);
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strcat(result, p->val.str);
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strcat(result, ",");
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}
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/* remove the trailing comma from the last element */
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*(result+strlen(result)-1) = '\0';
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$$ = result;
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}
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| DEFAULT { $$ = NULL; }
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;
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@ -2895,15 +2890,14 @@ LoadStmt: LOAD file_name
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CreatedbStmt: CREATE DATABASE database_name WITH createdb_opt_location createdb_opt_encoding
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{
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CreatedbStmt *n;
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CreatedbStmt *n = makeNode(CreatedbStmt);
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if ($5 == NULL && $6 == -1)
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elog(ERROR, "CREATE DATABASE WITH requires at least one option");
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n = makeNode(CreatedbStmt);
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n->dbname = $3;
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n->dbpath = $5;
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n->encoding = $6;
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n->encoding = ($6 == -1) ? GetTemplateEncoding() : $6;
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$$ = (Node *)n;
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}
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| CREATE DATABASE database_name
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@ -2911,11 +2905,7 @@ CreatedbStmt: CREATE DATABASE database_name WITH createdb_opt_location createdb
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CreatedbStmt *n = makeNode(CreatedbStmt);
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n->dbname = $3;
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n->dbpath = NULL;
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#ifdef MULTIBYTE
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n->encoding = GetTemplateEncoding();
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#else
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n->encoding = 0;
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#endif
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$$ = (Node *)n;
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}
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;
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@ -2928,13 +2918,13 @@ createdb_opt_location: LOCATION '=' Sconst { $$ = $3; }
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createdb_opt_encoding: ENCODING '=' Sconst
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{
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#ifdef MULTIBYTE
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int i;
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i = pg_char_to_encoding($3);
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if (i == -1)
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$$ = pg_char_to_encoding($3);
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if ($$ == -1)
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elog(ERROR, "%s is not a valid encoding name", $3);
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$$ = i;
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#else
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elog(ERROR, "Multi-byte support is not enabled");
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if (strcasecmp($3, GetTemplateEncodingName()) != 0)
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elog(ERROR, "Multi-byte support is not enabled");
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$$ = GetTemplateEncoding();
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#endif
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}
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| ENCODING '=' Iconst
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@ -2942,26 +2932,19 @@ createdb_opt_encoding: ENCODING '=' Sconst
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#ifdef MULTIBYTE
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if (!pg_get_encent_by_encoding($3))
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elog(ERROR, "%d is not a valid encoding code", $3);
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$$ = $3;
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#else
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elog(ERROR, "Multi-byte support is not enabled");
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if ($3 != GetTemplateEncoding())
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elog(ERROR, "Multi-byte support is not enabled");
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#endif
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$$ = $3;
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}
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| ENCODING '=' DEFAULT
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{
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#ifdef MULTIBYTE
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$$ = GetTemplateEncoding();
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#else
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$$ = 0;
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#endif
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}
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| /*EMPTY*/
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{
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#ifdef MULTIBYTE
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$$ = GetTemplateEncoding();
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#else
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$$= 0;
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#endif
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$$ = -1;
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}
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;
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