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-rw-r--r--ext/pdo_sqlite/sqlite/src/test1.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/ext/pdo_sqlite/sqlite/src/test1.c b/ext/pdo_sqlite/sqlite/src/test1.c
index 7402956dd3..af15a2db67 100644
--- a/ext/pdo_sqlite/sqlite/src/test1.c
+++ b/ext/pdo_sqlite/sqlite/src/test1.c
@@ -611,6 +611,46 @@ static void sqlite3ExecFunc(
}
/*
+** Implementation of tkt2213func(), a scalar function that takes exactly
+** one argument. It has two interesting features:
+**
+** * It calls sqlite3_value_text() 3 times on the argument sqlite3_value*.
+** If the three pointers returned are not the same an SQL error is raised.
+**
+** * Otherwise it returns a copy of the text representation of it's
+** argument in such a way as the VDBE representation is a Mem* cell
+** with the MEM_Term flag clear.
+**
+** Ticket #2213 can therefore be tested by evaluating the following
+** SQL expression:
+**
+** tkt2213func(tkt2213func('a string'));
+*/
+static void tkt2213Function(
+ sqlite3_context *context,
+ int argc,
+ sqlite3_value **argv
+){
+ int nText;
+ unsigned char const *zText1;
+ unsigned char const *zText2;
+ unsigned char const *zText3;
+
+ nText = sqlite3_value_bytes(argv[0]);
+ zText1 = sqlite3_value_text(argv[0]);
+ zText2 = sqlite3_value_text(argv[0]);
+ zText3 = sqlite3_value_text(argv[0]);
+
+ if( zText1!=zText2 || zText2!=zText3 ){
+ sqlite3_result_error(context, "tkt2213 is not fixed", -1);
+ }else{
+ char *zCopy = (char *)sqlite3_malloc(nText);
+ memcpy(zCopy, zText1, nText);
+ sqlite3_result_text(context, zCopy, nText, sqlite3_free);
+ }
+}
+
+/*
** Usage: sqlite_test_create_function DB
**
** Call the sqlite3_create_function API on the given database in order
@@ -651,6 +691,10 @@ static int test_create_function(
rc = sqlite3_create_function(db, "hex16", 1, SQLITE_ANY, 0,
hex16Func, 0, 0);
}
+ if( rc==SQLITE_OK ){
+ rc = sqlite3_create_function(db, "tkt2213func", 1, SQLITE_ANY, 0,
+ tkt2213Function, 0, 0);
+ }
#ifndef SQLITE_OMIT_UTF16
/* Use the sqlite3_create_function16() API here. Mainly for fun, but also