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Overview
| Comment: | Change the table_info pragma so that it returns NULL for the default value if there is no default value. Ticket #2078. (CVS 3527) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
5f21c3a5f02b4f2c4550f5904e9d0e1e |
| User & Date: | drh 2006-11-30 13:06:37 |
Context
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2006-12-14
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| 01:06 | Fix a bug in lemon that leads to an assertion fault given an invalid grammar. The bug and this fix do not effect on SQLite. Ticket #2107. (CVS 3528) check-in: f2ad230f user: drh tags: trunk | |
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2006-11-30
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| 13:06 | Change the table_info pragma so that it returns NULL for the default value if there is no default value. Ticket #2078. (CVS 3527) check-in: 5f21c3a5 user: drh tags: trunk | |
| 13:06 | Improvements to the new performance tests. (CVS 3526) check-in: 27f56c20 user: drh tags: trunk | |
Changes
Changes to src/pragma.c.
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** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains code used to implement the PRAGMA command. ** ** $Id: pragma.c,v 1.124 2006/09/25 18:01:57 drh Exp $ */ #include "sqliteInt.h" #include "os.h" #include <ctype.h> /* Ignore this whole file if pragmas are disabled */ ................................................................................ sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "type", P3_STATIC); sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "notnull", P3_STATIC); sqlite3VdbeSetColName(v, 4, COLNAME_NAME, "dflt_value", P3_STATIC); sqlite3VdbeSetColName(v, 5, COLNAME_NAME, "pk", P3_STATIC); sqlite3ViewGetColumnNames(pParse, pTab); for(i=0, pCol=pTab->aCol; i<pTab->nCol; i++, pCol++){ const Token *pDflt; static const Token noDflt = { (unsigned char*)"", 0, 0 }; sqlite3VdbeAddOp(v, OP_Integer, i, 0); sqlite3VdbeOp3(v, OP_String8, 0, 0, pCol->zName, 0); sqlite3VdbeOp3(v, OP_String8, 0, 0, pCol->zType ? pCol->zType : "", 0); sqlite3VdbeAddOp(v, OP_Integer, pCol->notNull, 0); pDflt = pCol->pDflt ? &pCol->pDflt->span : &noDflt; if( pDflt->z ){ sqlite3VdbeOp3(v, OP_String8, 0, 0, (char*)pDflt->z, pDflt->n); }else{ sqlite3VdbeAddOp(v, OP_Null, 0, 0); } sqlite3VdbeAddOp(v, OP_Integer, pCol->isPrimKey, 0); sqlite3VdbeAddOp(v, OP_Callback, 6, 0); } |
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** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains code used to implement the PRAGMA command. ** ** $Id: pragma.c,v 1.125 2006/11/30 13:06:37 drh Exp $ */ #include "sqliteInt.h" #include "os.h" #include <ctype.h> /* Ignore this whole file if pragmas are disabled */ ................................................................................ sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "type", P3_STATIC); sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "notnull", P3_STATIC); sqlite3VdbeSetColName(v, 4, COLNAME_NAME, "dflt_value", P3_STATIC); sqlite3VdbeSetColName(v, 5, COLNAME_NAME, "pk", P3_STATIC); sqlite3ViewGetColumnNames(pParse, pTab); for(i=0, pCol=pTab->aCol; i<pTab->nCol; i++, pCol++){ const Token *pDflt; sqlite3VdbeAddOp(v, OP_Integer, i, 0); sqlite3VdbeOp3(v, OP_String8, 0, 0, pCol->zName, 0); sqlite3VdbeOp3(v, OP_String8, 0, 0, pCol->zType ? pCol->zType : "", 0); sqlite3VdbeAddOp(v, OP_Integer, pCol->notNull, 0); if( pCol->pDflt && (pDflt = &pCol->pDflt->span)->z ){ sqlite3VdbeOp3(v, OP_String8, 0, 0, (char*)pDflt->z, pDflt->n); }else{ sqlite3VdbeAddOp(v, OP_Null, 0, 0); } sqlite3VdbeAddOp(v, OP_Integer, pCol->isPrimKey, 0); sqlite3VdbeAddOp(v, OP_Callback, 6, 0); } |
Changes to test/pragma.test.
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# May you share freely, never taking more than you give. # #*********************************************************************** # This file implements regression tests for SQLite library. # # This file implements tests for the PRAGMA command. # # $Id: pragma.test,v 1.44 2006/08/14 14:23:43 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Test organization: # # pragma-1.*: Test cache_size, default_cache_size and synchronous on main db. ................................................................................ } {0 main 1 temp 2 aux} } do_test pragma-6.2 { execsql { pragma table_info(t2) } } {0 a {} 0 {} 0 1 b {} 0 {} 0 2 c {} 0 {} 0} do_test pragma-6.2.2 { execsql { CREATE TABLE t5(a TEXT DEFAULT CURRENT_TIMESTAMP, b DEFAULT (5+3)); PRAGMA table_info(t5); } } {0 a TEXT 0 CURRENT_TIMESTAMP 0 1 b {} 0 5+3 0} ifcapable {foreignkey} { do_test pragma-6.3 { execsql { CREATE TABLE t3(a int references t2(b), b UNIQUE); pragma foreign_key_list(t3); } } {0 0 t2 a b} |
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# May you share freely, never taking more than you give. # #*********************************************************************** # This file implements regression tests for SQLite library. # # This file implements tests for the PRAGMA command. # # $Id: pragma.test,v 1.45 2006/11/30 13:06:37 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Test organization: # # pragma-1.*: Test cache_size, default_cache_size and synchronous on main db. ................................................................................ } {0 main 1 temp 2 aux} } do_test pragma-6.2 { execsql { pragma table_info(t2) } } {0 a {} 0 {} 0 1 b {} 0 {} 0 2 c {} 0 {} 0} db nullvalue <<NULL>> do_test pragma-6.2.2 { execsql { CREATE TABLE t5( a TEXT DEFAULT CURRENT_TIMESTAMP, b DEFAULT (5+3), c TEXT, d INTEGER DEFAULT NULL, e TEXT DEFAULT '' ); PRAGMA table_info(t5); } } {0 a TEXT 0 CURRENT_TIMESTAMP 0 1 b {} 0 5+3 0 2 c TEXT 0 <<NULL>> 0 3 d INTEGER 0 NULL 0 4 e TEXT 0 '' 0} db nullvalue {} ifcapable {foreignkey} { do_test pragma-6.3 { execsql { CREATE TABLE t3(a int references t2(b), b UNIQUE); pragma foreign_key_list(t3); } } {0 0 t2 a b} |