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-rw-r--r--src/pragma.c140
1 files changed, 58 insertions, 82 deletions
diff --git a/src/pragma.c b/src/pragma.c
index c01a669aa..da001fd36 100644
--- a/src/pragma.c
+++ b/src/pragma.c
@@ -160,6 +160,24 @@ static int changeTempStorage(Parse *pParse, const char *zStorageType){
#endif /* SQLITE_PAGER_PRAGMAS */
/*
+** Set the names of the first N columns to the values in azCol[]
+*/
+static void setAllColumnNames(
+ Vdbe *v, /* The query under construction */
+ int N, /* Number of columns */
+ const char **azCol /* Names of columns */
+){
+ int i;
+ sqlite3VdbeSetNumCols(v, N);
+ for(i=0; i<N; i++){
+ sqlite3VdbeSetColName(v, i, COLNAME_NAME, azCol[i], SQLITE_STATIC);
+ }
+}
+static void setOneColumnName(Vdbe *v, const char *z){
+ setAllColumnNames(v, 1, &z);
+}
+
+/*
** Generate code to return a single integer value.
*/
static void returnSingleInt(Parse *pParse, const char *zLabel, i64 value){
@@ -170,8 +188,7 @@ static void returnSingleInt(Parse *pParse, const char *zLabel, i64 value){
memcpy(pI64, &value, sizeof(value));
}
sqlite3VdbeAddOp4(v, OP_Int64, 0, nMem, 0, (char*)pI64, P4_INT64);
- sqlite3VdbeSetNumCols(v, 1);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, zLabel, SQLITE_STATIC);
+ setOneColumnName(v, zLabel);
sqlite3VdbeAddOp2(v, OP_ResultRow, nMem, 1);
}
@@ -339,8 +356,7 @@ void sqlite3Pragma(
if( aFcntl[0] ){
int nMem = ++pParse->nMem;
sqlite3VdbeAddOp4(v, OP_String8, 0, nMem, 0, aFcntl[0], 0);
- sqlite3VdbeSetNumCols(v, 1);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "result", SQLITE_STATIC);
+ setOneColumnName(v, "result");
sqlite3VdbeAddOp2(v, OP_ResultRow, nMem, 1);
sqlite3_free(aFcntl[0]);
}
@@ -413,8 +429,7 @@ void sqlite3Pragma(
int addr;
sqlite3VdbeUsesBtree(v, iDb);
if( !zRight ){
- sqlite3VdbeSetNumCols(v, 1);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "cache_size", SQLITE_STATIC);
+ setOneColumnName(v, "cache_size");
pParse->nMem += 2;
addr = sqlite3VdbeAddOpList(v, ArraySize(getCacheSize), getCacheSize,iLn);
sqlite3VdbeChangeP1(v, addr, iDb);
@@ -562,8 +577,7 @@ void sqlite3Pragma(
if( eMode==PAGER_LOCKINGMODE_EXCLUSIVE ){
zRet = "exclusive";
}
- sqlite3VdbeSetNumCols(v, 1);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "locking_mode", SQLITE_STATIC);
+ setOneColumnName(v, "locking_mode");
sqlite3VdbeAddOp4(v, OP_String8, 0, 1, 0, zRet, 0);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
break;
@@ -578,9 +592,7 @@ void sqlite3Pragma(
int eMode; /* One of the PAGER_JOURNALMODE_XXX symbols */
int ii; /* Loop counter */
- sqlite3VdbeSetNumCols(v, 1);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "journal_mode", SQLITE_STATIC);
-
+ setOneColumnName(v, "journal_mode");
if( zRight==0 ){
/* If there is no "=MODE" part of the pragma, do a query for the
** current mode */
@@ -809,9 +821,7 @@ void sqlite3Pragma(
case PragTyp_TEMP_STORE_DIRECTORY: {
if( !zRight ){
if( sqlite3_temp_directory ){
- sqlite3VdbeSetNumCols(v, 1);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME,
- "temp_store_directory", SQLITE_STATIC);
+ setOneColumnName(v, "temp_store_diretory");
sqlite3VdbeAddOp4(v, OP_String8, 0, 1, 0, sqlite3_temp_directory, 0);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
}
@@ -859,9 +869,7 @@ void sqlite3Pragma(
case PragTyp_DATA_STORE_DIRECTORY: {
if( !zRight ){
if( sqlite3_data_directory ){
- sqlite3VdbeSetNumCols(v, 1);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME,
- "data_store_directory", SQLITE_STATIC);
+ setOneColumnName(v, "data_store_directory");
sqlite3VdbeAddOp4(v, OP_String8, 0, 1, 0, sqlite3_data_directory, 0);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
}
@@ -905,9 +913,7 @@ void sqlite3Pragma(
&proxy_file_path);
if( proxy_file_path ){
- sqlite3VdbeSetNumCols(v, 1);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME,
- "lock_proxy_file", SQLITE_STATIC);
+ setOneColumnName(v, "lock_proxy_file");
sqlite3VdbeAddOp4(v, OP_String8, 0, 1, 0, proxy_file_path, 0);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
}
@@ -1011,19 +1017,16 @@ void sqlite3Pragma(
Table *pTab;
pTab = sqlite3FindTable(db, zRight, zDb);
if( pTab ){
+ static const char *azCol[] = {
+ "cid", "name", "type", "notnull", "dflt_value", "pk"
+ };
int i, k;
int nHidden = 0;
Column *pCol;
Index *pPk = sqlite3PrimaryKeyIndex(pTab);
- sqlite3VdbeSetNumCols(v, 6);
pParse->nMem = 6;
sqlite3CodeVerifySchema(pParse, iDb);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "cid", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "type", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "notnull", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 4, COLNAME_NAME, "dflt_value", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 5, COLNAME_NAME, "pk", SQLITE_STATIC);
+ setAllColumnNames(v, 6, azCol);
sqlite3ViewGetColumnNames(pParse, pTab);
for(i=0, pCol=pTab->aCol; i<pTab->nCol; i++, pCol++){
if( IsHiddenColumn(pCol) ){
@@ -1055,16 +1058,13 @@ void sqlite3Pragma(
break;
case PragTyp_STATS: {
+ static const char *azCol[] = { "table", "index", "width", "height" };
Index *pIdx;
HashElem *i;
v = sqlite3GetVdbe(pParse);
- sqlite3VdbeSetNumCols(v, 4);
pParse->nMem = 4;
sqlite3CodeVerifySchema(pParse, iDb);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "table", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "index", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "width", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "height", SQLITE_STATIC);
+ setAllColumnNames(v, 4, azCol);
for(i=sqliteHashFirst(&pDb->pSchema->tblHash); i; i=sqliteHashNext(i)){
Table *pTab = sqliteHashData(i);
sqlite3VdbeAddOp4(v, OP_String8, 0, 1, 0, pTab->zName, 0);
@@ -1091,6 +1091,9 @@ void sqlite3Pragma(
Table *pTab;
pIdx = sqlite3FindIndex(db, zRight, zDb);
if( pIdx ){
+ static const char *azCol[] = {
+ "seqno", "cid", "name", "desc", "coll", "key"
+ };
int i;
int mx;
if( pPragma->iArg ){
@@ -1103,16 +1106,8 @@ void sqlite3Pragma(
pParse->nMem = 3;
}
pTab = pIdx->pTable;
- sqlite3VdbeSetNumCols(v, pParse->nMem);
sqlite3CodeVerifySchema(pParse, iDb);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seqno", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "cid", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "name", SQLITE_STATIC);
- if( pPragma->iArg ){
- sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "desc", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 4, COLNAME_NAME, "coll", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 5, COLNAME_NAME, "key", SQLITE_STATIC);
- }
+ setAllColumnNames(v, pParse->nMem, azCol);
for(i=0; i<mx; i++){
i16 cnum = pIdx->aiColumn[i];
sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
@@ -1139,15 +1134,13 @@ void sqlite3Pragma(
int i;
pTab = sqlite3FindTable(db, zRight, zDb);
if( pTab ){
+ static const char *azCol[] = {
+ "seq", "name", "unique", "origin", "partial"
+ };
v = sqlite3GetVdbe(pParse);
- sqlite3VdbeSetNumCols(v, 5);
pParse->nMem = 5;
sqlite3CodeVerifySchema(pParse, iDb);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "unique", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "origin", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 4, COLNAME_NAME, "partial", SQLITE_STATIC);
+ setAllColumnNames(v, 5, azCol);
for(pIdx=pTab->pIndex, i=0; pIdx; pIdx=pIdx->pNext, i++){
const char *azOrigin[] = { "c", "u", "pk" };
sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
@@ -1162,12 +1155,10 @@ void sqlite3Pragma(
break;
case PragTyp_DATABASE_LIST: {
+ static const char *azCol[] = { "seq", "name", "file" };
int i;
- sqlite3VdbeSetNumCols(v, 3);
pParse->nMem = 3;
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "file", SQLITE_STATIC);
+ setAllColumnNames(v, 3, azCol);
for(i=0; i<db->nDb; i++){
if( db->aDb[i].pBt==0 ) continue;
assert( db->aDb[i].zName!=0 );
@@ -1181,12 +1172,11 @@ void sqlite3Pragma(
break;
case PragTyp_COLLATION_LIST: {
+ static const char *azCol[] = { "seq", "name" };
int i = 0;
HashElem *p;
- sqlite3VdbeSetNumCols(v, 2);
pParse->nMem = 2;
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
+ setAllColumnNames(v, 2, azCol);
for(p=sqliteHashFirst(&db->aCollSeq); p; p=sqliteHashNext(p)){
CollSeq *pColl = (CollSeq *)sqliteHashData(p);
sqlite3VdbeAddOp2(v, OP_Integer, i++, 1);
@@ -1206,18 +1196,14 @@ void sqlite3Pragma(
v = sqlite3GetVdbe(pParse);
pFK = pTab->pFKey;
if( pFK ){
+ static const char *azCol[] = {
+ "id", "seq", "table", "from", "to", "on_update", "on_delete",
+ "match"
+ };
int i = 0;
- sqlite3VdbeSetNumCols(v, 8);
pParse->nMem = 8;
sqlite3CodeVerifySchema(pParse, iDb);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "id", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "seq", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "table", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "from", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 4, COLNAME_NAME, "to", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 5, COLNAME_NAME, "on_update", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 6, COLNAME_NAME, "on_delete", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 7, COLNAME_NAME, "match", SQLITE_STATIC);
+ setAllColumnNames(v, 8, azCol);
while(pFK){
int j;
for(j=0; j<pFK->nCol; j++){
@@ -1261,17 +1247,14 @@ void sqlite3Pragma(
int addrTop; /* Top of a loop checking foreign keys */
int addrOk; /* Jump here if the key is OK */
int *aiCols; /* child to parent column mapping */
+ static const char *azCol[] = { "table", "rowid", "parent", "fkid" };
regResult = pParse->nMem+1;
pParse->nMem += 4;
regKey = ++pParse->nMem;
regRow = ++pParse->nMem;
v = sqlite3GetVdbe(pParse);
- sqlite3VdbeSetNumCols(v, 4);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "table", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "rowid", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "parent", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "fkid", SQLITE_STATIC);
+ setAllColumnNames(v, 4, azCol);
sqlite3CodeVerifySchema(pParse, iDb);
k = sqliteHashFirst(&db->aDb[iDb].pSchema->tblHash);
while( k ){
@@ -1426,8 +1409,7 @@ void sqlite3Pragma(
/* Initialize the VDBE program */
pParse->nMem = 6;
- sqlite3VdbeSetNumCols(v, 1);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "integrity_check", SQLITE_STATIC);
+ setOneColumnName(v, "integrity_check");
/* Set the maximum error count */
mxErr = SQLITE_INTEGRITY_CHECK_ERROR_MAX;
@@ -1659,8 +1641,7 @@ void sqlite3Pragma(
const struct EncName *pEnc;
if( !zRight ){ /* "PRAGMA encoding" */
if( sqlite3ReadSchema(pParse) ) goto pragma_out;
- sqlite3VdbeSetNumCols(v, 1);
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "encoding", SQLITE_STATIC);
+ setOneColumnName(v, "encoding");
sqlite3VdbeAddOp2(v, OP_String8, 0, 1);
assert( encnames[SQLITE_UTF8].enc==SQLITE_UTF8 );
assert( encnames[SQLITE_UTF16LE].enc==SQLITE_UTF16LE );
@@ -1767,9 +1748,8 @@ void sqlite3Pragma(
case PragTyp_COMPILE_OPTIONS: {
int i = 0;
const char *zOpt;
- sqlite3VdbeSetNumCols(v, 1);
pParse->nMem = 1;
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "compile_option", SQLITE_STATIC);
+ setOneColumnName(v, "compile_option");
while( (zOpt = sqlite3_compileoption_get(i++))!=0 ){
sqlite3VdbeAddOp4(v, OP_String8, 0, 1, 0, zOpt, 0);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
@@ -1785,6 +1765,7 @@ void sqlite3Pragma(
** Checkpoint the database.
*/
case PragTyp_WAL_CHECKPOINT: {
+ static const char *azCol[] = { "busy", "log", "checkpointed" };
int iBt = (pId2->z?iDb:SQLITE_MAX_ATTACHED);
int eMode = SQLITE_CHECKPOINT_PASSIVE;
if( zRight ){
@@ -1796,12 +1777,8 @@ void sqlite3Pragma(
eMode = SQLITE_CHECKPOINT_TRUNCATE;
}
}
- sqlite3VdbeSetNumCols(v, 3);
+ setAllColumnNames(v, 3, azCol);
pParse->nMem = 3;
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "busy", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "log", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "checkpointed", SQLITE_STATIC);
-
sqlite3VdbeAddOp3(v, OP_Checkpoint, iBt, eMode, 1);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3);
}
@@ -1904,11 +1881,10 @@ void sqlite3Pragma(
static const char *const azLockName[] = {
"unlocked", "shared", "reserved", "pending", "exclusive"
};
+ static const char *azCol[] = { "database", "status" };
int i;
- sqlite3VdbeSetNumCols(v, 2);
+ setAllColumnNames(v, 2, azCol);
pParse->nMem = 2;
- sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "database", SQLITE_STATIC);
- sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "status", SQLITE_STATIC);
for(i=0; i<db->nDb; i++){
Btree *pBt;
const char *zState = "unknown";
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-19 13:35:10 +0000