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Overview
| Comment: | 3rd parameter to sqlite3_prepare() should be -1 if the string length is unknown. Passing in zero causes a zero-length SQL statement to be prepared, which is a no-op. Ticket #1651. This bug introduced by the fix for ticket #1650. (CVS 3047) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 1e68ac590d9edd3784cd7afd6705a30f01740d0d |
| User & Date: | drh 2006-01-31 19:07:22 |
Context
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2006-01-31
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| 19:31 | Fix some pointless warnings from overly-pedantic compilers. (CVS 3048) check-in: b922c8e4 user: drh tags: trunk | |
| 19:07 | 3rd parameter to sqlite3_prepare() should be -1 if the string length is unknown. Passing in zero causes a zero-length SQL statement to be prepared, which is a no-op. Ticket #1651. This bug introduced by the fix for ticket #1650. (CVS 3047) check-in: 1e68ac59 user: drh tags: trunk | |
| 16:21 | Version 3.3.3 (CVS 3046) check-in: 10a3f565 user: drh tags: trunk | |
Changes
Changes to src/shell.c.
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** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains code to implement the "sqlite" command line ** utility for accessing SQLite databases. ** ** $Id: shell.c,v 1.131 2006/01/25 15:55:38 drh Exp $ */ #include <stdlib.h> #include <string.h> #include <stdio.h> #include <assert.h> #include "sqlite3.h" #include <ctype.h> ................................................................................ if( nSep==0 ){ fprintf(stderr, "non-null separator required for import\n"); return 0; } zSql = sqlite3_mprintf("SELECT * FROM '%q'", zTable); if( zSql==0 ) return 0; nByte = strlen(zSql); rc = sqlite3_prepare(p->db, zSql, 0, &pStmt, 0); sqlite3_free(zSql); if( rc ){ fprintf(stderr,"Error: %s\n", sqlite3_errmsg(db)); nCol = 0; }else{ nCol = sqlite3_column_count(pStmt); } ................................................................................ j = strlen(zSql); for(i=1; i<nCol; i++){ zSql[j++] = ','; zSql[j++] = '?'; } zSql[j++] = ')'; zSql[j] = 0; rc = sqlite3_prepare(p->db, zSql, 0, &pStmt, 0); free(zSql); if( rc ){ fprintf(stderr, "Error: %s\n", sqlite3_errmsg(db)); sqlite3_finalize(pStmt); return 0; } in = fopen(zFile, "rb"); |
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** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains code to implement the "sqlite" command line ** utility for accessing SQLite databases. ** ** $Id: shell.c,v 1.132 2006/01/31 19:07:22 drh Exp $ */ #include <stdlib.h> #include <string.h> #include <stdio.h> #include <assert.h> #include "sqlite3.h" #include <ctype.h> ................................................................................ if( nSep==0 ){ fprintf(stderr, "non-null separator required for import\n"); return 0; } zSql = sqlite3_mprintf("SELECT * FROM '%q'", zTable); if( zSql==0 ) return 0; nByte = strlen(zSql); rc = sqlite3_prepare(p->db, zSql, -1, &pStmt, 0); sqlite3_free(zSql); if( rc ){ fprintf(stderr,"Error: %s\n", sqlite3_errmsg(db)); nCol = 0; }else{ nCol = sqlite3_column_count(pStmt); } ................................................................................ j = strlen(zSql); for(i=1; i<nCol; i++){ zSql[j++] = ','; zSql[j++] = '?'; } zSql[j++] = ')'; zSql[j] = 0; rc = sqlite3_prepare(p->db, zSql, -1, &pStmt, 0); free(zSql); if( rc ){ fprintf(stderr, "Error: %s\n", sqlite3_errmsg(db)); sqlite3_finalize(pStmt); return 0; } in = fopen(zFile, "rb"); |