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Coverage testing of pragma.c. (CVS 1744)

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FossilOrigin-Name: 0f9c0f0aa9188c46c65cb92203687f37884f685a
This commit is contained in:
drh
2004-06-26 19:35:29 +00:00
parent b089c0b722
commit 5260f7e925
7 changed files with 172 additions and 76 deletions
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92
src/pragma.c
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@@ -11,7 +11,7 @@
*************************************************************************
** This file contains code used to implement the PRAGMA command.
**
** $Id: pragma.c,v 1.53 2004/06/26 06:37:07 danielk1977 Exp $
** $Id: pragma.c,v 1.54 2004/06/26 19:35:30 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -96,11 +96,14 @@ static int flagPragma(Parse *pParse, const char *zLeft, const char *zRight){
if( sqlite3StrICmp(zLeft, aPragma[i].zName)==0 ){
sqlite *db = pParse->db;
Vdbe *v;
if( strcmp(zLeft,zRight)==0 && (v = sqlite3GetVdbe(pParse))!=0 ){
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, aPragma[i].zName, P3_STATIC);
sqlite3VdbeAddOp(v, OP_Integer, (db->flags & aPragma[i].mask)!=0, 0);
sqlite3VdbeAddOp(v, OP_Callback, 1, 0);
if( zRight==0 ){
v = sqlite3GetVdbe(pParse);
if( v ){
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, aPragma[i].zName, P3_STATIC);
sqlite3VdbeAddOp(v, OP_Integer, (db->flags & aPragma[i].mask)!=0, 0);
sqlite3VdbeAddOp(v, OP_Callback, 1, 0);
}
}else if( getBoolean(zRight) ){
db->flags |= aPragma[i].mask;
}else{
@@ -112,6 +115,17 @@ static int flagPragma(Parse *pParse, const char *zLeft, const char *zRight){
return 0;
}
/*
** Check to make sure the schema is loaded. Return 1 if it is not.
*/
static int checkSchema(Parse *pParse){
if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
pParse->nErr++;
return 1;
}
return 0;
}
/*
** Process a pragma statement.
**
@@ -184,10 +198,7 @@ void sqlite3Pragma(
{ OP_Callback, 1, 0, 0},
};
int addr;
if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
pParse->nErr++;
goto pragma_out;
}
if( checkSchema(pParse) ) goto pragma_out;
if( !zRight ){
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, "cache_size", P3_STATIC);
@@ -228,10 +239,7 @@ void sqlite3Pragma(
static VdbeOpList getCacheSize[] = {
{ OP_Callback, 1, 0, 0},
};
if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
pParse->nErr++;
goto pragma_out;
}
if( checkSchema(pParse) ) goto pragma_out;
if( !zRight ){
int size = db->aDb[iDb].cache_size;
assert( size>0 );
@@ -260,10 +268,7 @@ void sqlite3Pragma(
static VdbeOpList getSync[] = {
{ OP_Callback, 1, 0, 0},
};
if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
pParse->nErr++;
goto pragma_out;
}
if( checkSchema(pParse) ) goto pragma_out;
if( !zRight ){
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, "synchronous", P3_STATIC);
@@ -280,7 +285,7 @@ void sqlite3Pragma(
}
}else
#ifndef NDEBUG
#if 0 /* Used once during development. No longer needed */
if( sqlite3StrICmp(zLeft, "trigger_overhead_test")==0 ){
if( getBoolean(zRight) ){
sqlite3_always_code_trigger_setup = 1;
@@ -306,12 +311,9 @@ void sqlite3Pragma(
** notnull: True if 'NOT NULL' is part of column declaration
** dflt_value: The default value for the column, if any.
*/
if( sqlite3StrICmp(zLeft, "table_info")==0 ){
if( sqlite3StrICmp(zLeft, "table_info")==0 && zRight ){
Table *pTab;
if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
pParse->nErr++;
goto pragma_out;
}
if( checkSchema(pParse) ) goto pragma_out;
pTab = sqlite3FindTable(db, zRight, 0);
if( pTab ){
int i;
@@ -337,13 +339,10 @@ void sqlite3Pragma(
}
}else
if( sqlite3StrICmp(zLeft, "index_info")==0 ){
if( sqlite3StrICmp(zLeft, "index_info")==0 && zRight ){
Index *pIdx;
Table *pTab;
if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
pParse->nErr++;
goto pragma_out;
}
if( checkSchema(pParse) ) goto pragma_out;
pIdx = sqlite3FindIndex(db, zRight, 0);
if( pIdx ){
int i;
@@ -363,13 +362,10 @@ void sqlite3Pragma(
}
}else
if( sqlite3StrICmp(zLeft, "index_list")==0 ){
if( sqlite3StrICmp(zLeft, "index_list")==0 && zRight ){
Index *pIdx;
Table *pTab;
if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
pParse->nErr++;
goto pragma_out;
}
if( checkSchema(pParse) ) goto pragma_out;
pTab = sqlite3FindTable(db, zRight, 0);
if( pTab ){
v = sqlite3GetVdbe(pParse);
@@ -392,13 +388,10 @@ void sqlite3Pragma(
}
}else
if( sqlite3StrICmp(zLeft, "foreign_key_list")==0 ){
if( sqlite3StrICmp(zLeft, "foreign_key_list")==0 && zRight ){
FKey *pFK;
Table *pTab;
if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
pParse->nErr++;
goto pragma_out;
}
if( checkSchema(pParse) ) goto pragma_out;
pTab = sqlite3FindTable(db, zRight, 0);
if( pTab ){
v = sqlite3GetVdbe(pParse);
@@ -431,10 +424,7 @@ void sqlite3Pragma(
if( sqlite3StrICmp(zLeft, "database_list")==0 ){
int i;
if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
pParse->nErr++;
goto pragma_out;
}
if( checkSchema(pParse) ) goto pragma_out;
sqlite3VdbeSetNumCols(v, 3);
sqlite3VdbeSetColName(v, 0, "seq", P3_STATIC);
sqlite3VdbeSetColName(v, 1, "name", P3_STATIC);
@@ -453,10 +443,6 @@ void sqlite3Pragma(
#ifndef NDEBUG
if( sqlite3StrICmp(zLeft, "parser_trace")==0 ){
extern void sqlite3ParserTrace(FILE*, char *);
if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
pParse->nErr++;
goto pragma_out;
}
if( getBoolean(zRight) ){
sqlite3ParserTrace(stdout, "parser: ");
}else{
@@ -489,10 +475,7 @@ void sqlite3Pragma(
};
/* Initialize the VDBE program */
if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
pParse->nErr++;
goto pragma_out;
}
if( checkSchema(pParse) ) goto pragma_out;
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, "integrity_check", P3_STATIC);
sqlite3VdbeAddOpList(v, ArraySize(initCode), initCode);
@@ -639,10 +622,7 @@ void sqlite3Pragma(
struct EncName *pEnc;
encnames[6].enc = encnames[7].enc = SQLITE_UTF16NATIVE;
if( !zRight ){ /* "PRAGMA encoding" */
if( SQLITE_OK!=sqlite3ReadSchema(pParse->db, &pParse->zErrMsg) ){
pParse->nErr++;
goto pragma_out;
}
if( checkSchema(pParse) ) goto pragma_out;
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, "encoding", P3_STATIC);
sqlite3VdbeAddOp(v, OP_String8, 0, 0);
@@ -667,7 +647,7 @@ void sqlite3Pragma(
}
}
if( !pEnc->zName ){
sqlite3ErrorMsg(pParse, "Unsupported encoding: %s", zRight);
sqlite3ErrorMsg(pParse, "unsupported encoding: %s", zRight);
}
}
}