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Overview
| Comment: | Change the replace() function to return a copy of its first argument when the 2nd argument is an empty string. Ticket #3624. (CVS 6226) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
ffebf10f6fb2c7f3083992e2c712682b |
| User & Date: | drh 2009-02-01 18:08:41 |
Context
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2009-02-01
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| 19:23 | Fix the SUBSTR() function so that when the 3rd argument is negative, it counts backwards from the selected start point. Ticket #3625. (CVS 6227) (check-in: 2217339b user: drh tags: trunk) | |
| 18:08 | Change the replace() function to return a copy of its first argument when the 2nd argument is an empty string. Ticket #3624. (CVS 6226) (check-in: ffebf10f user: drh tags: trunk) | |
| 00:29 | Adjust comments in vdbe.c to use OP_MakeRecord instead of the obsolete OP_MakeIdxRec. Ticket #3619. (CVS 6225) (check-in: 0d2abbbf user: drh tags: trunk) | |
Changes
Changes to src/func.c.
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** This file contains the C functions that implement various SQL ** functions of SQLite. ** ** There is only one exported symbol in this file - the function ** sqliteRegisterBuildinFunctions() found at the bottom of the file. ** All other code has file scope. ** ** $Id: func.c,v 1.211 2009/01/24 11:30:43 drh Exp $ */ #include "sqliteInt.h" #include <stdlib.h> #include <assert.h> #include "vdbeInt.h" /* ................................................................................ assert( argc==3 ); UNUSED_PARAMETER(argc); zStr = sqlite3_value_text(argv[0]); if( zStr==0 ) return; nStr = sqlite3_value_bytes(argv[0]); assert( zStr==sqlite3_value_text(argv[0]) ); /* No encoding change */ zPattern = sqlite3_value_text(argv[1]); if( zPattern==0 || zPattern[0]==0 ) return; nPattern = sqlite3_value_bytes(argv[1]); assert( zPattern==sqlite3_value_text(argv[1]) ); /* No encoding change */ zRep = sqlite3_value_text(argv[2]); if( zRep==0 ) return; nRep = sqlite3_value_bytes(argv[2]); assert( zRep==sqlite3_value_text(argv[2]) ); nOut = nStr + 1; |
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** This file contains the C functions that implement various SQL ** functions of SQLite. ** ** There is only one exported symbol in this file - the function ** sqliteRegisterBuildinFunctions() found at the bottom of the file. ** All other code has file scope. ** ** $Id: func.c,v 1.212 2009/02/01 18:08:41 drh Exp $ */ #include "sqliteInt.h" #include <stdlib.h> #include <assert.h> #include "vdbeInt.h" /* ................................................................................ assert( argc==3 ); UNUSED_PARAMETER(argc); zStr = sqlite3_value_text(argv[0]); if( zStr==0 ) return; nStr = sqlite3_value_bytes(argv[0]); assert( zStr==sqlite3_value_text(argv[0]) ); /* No encoding change */ zPattern = sqlite3_value_text(argv[1]); if( zPattern==0 ){ assert( sqlite3_value_type(argv[1])==SQLITE_NULL ); return; } if( zPattern[0]==0 ){ assert( sqlite3_value_type(argv[1])!=SQLITE_NULL ); sqlite3_result_value(context, argv[0]); return; } nPattern = sqlite3_value_bytes(argv[1]); assert( zPattern==sqlite3_value_text(argv[1]) ); /* No encoding change */ zRep = sqlite3_value_text(argv[2]); if( zRep==0 ) return; nRep = sqlite3_value_bytes(argv[2]); assert( zRep==sqlite3_value_text(argv[2]) ); nOut = nStr + 1; |
Changes to test/func.test.
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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 implements regression tests for SQLite library. The # focus of this file is testing built-in functions. # # $Id: func.test,v 1.88 2009/01/31 22:28:49 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Create a table to work with. # do_test func-0.0 { ................................................................................ set encoding [db one {PRAGMA encoding}] if {$encoding=="UTF-16le"} { do_test func-9.11-utf16le { execsql {SELECT hex(replace('abcdefg','ef','12'))} } {6100620063006400310032006700} do_test func-9.12-utf16le { execsql {SELECT hex(replace('abcdefg','','12'))} } {{}} do_test func-9.13-utf16le { execsql {SELECT hex(replace('aabcdefg','a','aaa'))} } {610061006100610061006100620063006400650066006700} } elseif {$encoding=="UTF-8"} { do_test func-9.11-utf8 { execsql {SELECT hex(replace('abcdefg','ef','12'))} } {61626364313267} do_test func-9.12-utf8 { execsql {SELECT hex(replace('abcdefg','','12'))} } {{}} do_test func-9.13-utf8 { execsql {SELECT hex(replace('aabcdefg','a','aaa'))} } {616161616161626364656667} } # Use the "sqlite_register_test_function" TCL command which is part of # the text fixture in order to verify correct operation of some of |
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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 implements regression tests for SQLite library. The # focus of this file is testing built-in functions. # # $Id: func.test,v 1.89 2009/02/01 18:08:41 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Create a table to work with. # do_test func-0.0 { ................................................................................ set encoding [db one {PRAGMA encoding}] if {$encoding=="UTF-16le"} { do_test func-9.11-utf16le { execsql {SELECT hex(replace('abcdefg','ef','12'))} } {6100620063006400310032006700} do_test func-9.12-utf16le { execsql {SELECT hex(replace('abcdefg','','12'))} } {6100620063006400650066006700} do_test func-9.13-utf16le { execsql {SELECT hex(replace('aabcdefg','a','aaa'))} } {610061006100610061006100620063006400650066006700} } elseif {$encoding=="UTF-8"} { do_test func-9.11-utf8 { execsql {SELECT hex(replace('abcdefg','ef','12'))} } {61626364313267} do_test func-9.12-utf8 { execsql {SELECT hex(replace('abcdefg','','12'))} } {61626364656667} do_test func-9.13-utf8 { execsql {SELECT hex(replace('aabcdefg','a','aaa'))} } {616161616161626364656667} } # Use the "sqlite_register_test_function" TCL command which is part of # the text fixture in order to verify correct operation of some of |