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Merge updates from trunk.

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FossilOrigin-Name: 435ce3b3fc0cffb4d7e6f2694c3100066e19f9ed
This commit is contained in:
mistachkin
2013-09-24 19:07:48 +00:00
parent 9a5cbbc4a5 6284d02160
commit bbff218016
40 changed files with 1802 additions and 518 deletions
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34
src/func.c
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@@ -418,14 +418,14 @@ static void lowerFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
}
/*
** The COALESCE() and IFNULL() functions are implemented as VDBE code so
** that unused argument values do not have to be computed. However, we
** still need some kind of function implementation for this routines in
** the function table. That function implementation will never be called
** so it doesn't matter what the implementation is. We might as well use
** the "version()" function as a substitute.
** Some functions like COALESCE() and IFNULL() and UNLIKELY() are implemented
** as VDBE code so that unused argument values do not have to be computed.
** However, we still need some kind of function implementation for this
** routines in the function table. The noopFunc macro provides this.
** noopFunc will never be called so it doesn't matter what the implementation
** is. We might as well use the "version()" function as a substitute.
*/
#define ifnullFunc versionFunc /* Substitute function - never called */
#define noopFunc versionFunc /* Substitute function - never called */
/*
** Implementation of random(). Return a random integer.
@@ -544,9 +544,9 @@ struct compareInfo {
*/
#if defined(SQLITE_EBCDIC)
# define sqlite3Utf8Read(A) (*((*A)++))
# define GlogUpperToLower(A) A = sqlite3UpperToLower[A]
# define GlobUpperToLower(A) A = sqlite3UpperToLower[A]
#else
# define GlogUpperToLower(A) if( !((A)&~0x7f) ){ A = sqlite3UpperToLower[A]; }
# define GlobUpperToLower(A) if( !((A)&~0x7f) ){ A = sqlite3UpperToLower[A]; }
#endif
static const struct compareInfo globInfo = { '*', '?', '[', 0 };
@@ -625,11 +625,11 @@ static int patternCompare(
}
while( (c2 = sqlite3Utf8Read(&zString))!=0 ){
if( noCase ){
GlogUpperToLower(c2);
GlogUpperToLower(c);
GlobUpperToLower(c2);
GlobUpperToLower(c);
while( c2 != 0 && c2 != c ){
c2 = sqlite3Utf8Read(&zString);
GlogUpperToLower(c2);
GlobUpperToLower(c2);
}
}else{
while( c2 != 0 && c2 != c ){
@@ -681,8 +681,8 @@ static int patternCompare(
}else{
c2 = sqlite3Utf8Read(&zString);
if( noCase ){
GlogUpperToLower(c);
GlogUpperToLower(c2);
GlobUpperToLower(c);
GlobUpperToLower(c2);
}
if( c!=c2 ){
return 0;
@@ -1798,9 +1798,11 @@ void sqlite3RegisterGlobalFunctions(void){
FUNCTION(lower, 1, 0, 0, lowerFunc ),
FUNCTION(coalesce, 1, 0, 0, 0 ),
FUNCTION(coalesce, 0, 0, 0, 0 ),
FUNCTION2(coalesce, -1, 0, 0, ifnullFunc, SQLITE_FUNC_COALESCE),
FUNCTION2(coalesce, -1, 0, 0, noopFunc, SQLITE_FUNC_COALESCE),
FUNCTION(hex, 1, 0, 0, hexFunc ),
FUNCTION2(ifnull, 2, 0, 0, ifnullFunc, SQLITE_FUNC_COALESCE),
FUNCTION2(ifnull, 2, 0, 0, noopFunc, SQLITE_FUNC_COALESCE),
FUNCTION2(unlikely, 1, 0, 0, noopFunc, SQLITE_FUNC_UNLIKELY),
FUNCTION2(likelihood, 2, 0, 0, noopFunc, SQLITE_FUNC_UNLIKELY),
FUNCTION(random, 0, 0, 0, randomFunc ),
FUNCTION(randomblob, 1, 0, 0, randomBlob ),
FUNCTION(nullif, 2, 0, 1, nullifFunc ),