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| 1 # 2007 June 26 |
| 2 # |
| 3 # The author disclaims copyright to this source code. In place of |
| 4 # a legal notice, here is a blessing: |
| 5 # |
| 6 # May you do good and not evil. |
| 7 # May you find forgiveness for yourself and forgive others. |
| 8 # May you share freely, never taking more than you give. |
| 9 # |
| 10 #*********************************************************************** |
| 11 # This file implements regression tests for SQLite library. The |
| 12 # focus of this file is 'hidden' virtual table columns. |
| 13 # |
| 14 # $Id: vtabA.test,v 1.2 2008/07/12 14:52:21 drh Exp $ |
| 15 |
| 16 set testdir [file dirname $argv0] |
| 17 source $testdir/tester.tcl |
| 18 |
| 19 ifcapable !vtab { |
| 20 finish_test |
| 21 return |
| 22 } |
| 23 |
| 24 proc get_decltype {table col} { |
| 25 set STMT [sqlite3_prepare $::DB "SELECT $col FROM $table" -1 TAIL] |
| 26 set decltype [sqlite3_column_decltype $STMT 0] |
| 27 sqlite3_finalize $STMT |
| 28 set decltype |
| 29 } |
| 30 |
| 31 proc get_collist {table} { |
| 32 set ret [list] |
| 33 db eval "PRAGMA table_info($table)" { lappend ret $name } |
| 34 set ret |
| 35 } |
| 36 |
| 37 # Register the echo module |
| 38 register_echo_module [sqlite3_connection_pointer db] |
| 39 |
| 40 # Create a virtual table with a 'hidden' column (column b). |
| 41 # |
| 42 do_test vtabA-1.1 { |
| 43 execsql { CREATE TABLE t1(a, b HIDDEN VARCHAR, c INTEGER) } |
| 44 } {} |
| 45 do_test vtabA-1.2 { |
| 46 execsql { CREATE VIRTUAL TABLE t1e USING echo(t1) } |
| 47 } {} |
| 48 |
| 49 # Test that the hidden column is not listed by [PRAGMA table_info]. |
| 50 # |
| 51 do_test vtabA-1.3 { |
| 52 execsql { PRAGMA table_info(t1e) } |
| 53 } [list \ |
| 54 0 a {} 0 {} 0 \ |
| 55 1 c INTEGER 0 {} 0 \ |
| 56 ] |
| 57 |
| 58 # Test that the hidden column is not require in the default column |
| 59 # list for an INSERT statement. |
| 60 # |
| 61 do_test vtabA-1.4 { |
| 62 catchsql { |
| 63 INSERT INTO t1e VALUES('value a', 'value c'); |
| 64 } |
| 65 } {0 {}} |
| 66 do_test vtabA-1.5 { |
| 67 execsql { |
| 68 SELECT a, b, c FROM t1e; |
| 69 } |
| 70 } {{value a} {} {value c}} |
| 71 |
| 72 do_test vtabA-1.6 { |
| 73 execsql { |
| 74 SELECT * FROM t1e; |
| 75 } |
| 76 } {{value a} {value c}} |
| 77 |
| 78 # Test that the expansion of a '*' expression in the result set of |
| 79 # a SELECT does not include the hidden column. |
| 80 # |
| 81 do_test vtabA-1.7 { |
| 82 execsql { |
| 83 INSERT INTO t1e SELECT * FROM t1e; |
| 84 } |
| 85 } {} |
| 86 do_test vtabA-1.8 { |
| 87 execsql { |
| 88 SELECT * FROM t1e; |
| 89 } |
| 90 } {{value a} {value c} {value a} {value c}} |
| 91 |
| 92 # Test that the declaration type of the hidden column does not include |
| 93 # the token "HIDDEN". |
| 94 # |
| 95 do_test vtabA-1.9 { |
| 96 get_decltype t1e b |
| 97 } {VARCHAR} |
| 98 do_test vtabA-1.10 { |
| 99 get_collist t1e |
| 100 } {a c} |
| 101 |
| 102 #---------------------------------------------------------------------- |
| 103 # These tests vtabA-2.* concentrate on testing that the HIDDEN token |
| 104 # is detected and handled correctly in various declarations. |
| 105 # |
| 106 proc analyse_parse {columns decltype_list} { |
| 107 db eval { DROP TABLE IF EXISTS t1e; } |
| 108 db eval { DROP TABLE IF EXISTS t1; } |
| 109 db eval " CREATE TABLE t1 $columns " |
| 110 db eval { CREATE VIRTUAL TABLE t1e USING echo(t1) } |
| 111 set ret [list [get_collist t1e]] |
| 112 foreach c $decltype_list { |
| 113 lappend ret [get_decltype t1e $c] |
| 114 } |
| 115 set ret |
| 116 } |
| 117 |
| 118 do_test vtabA-2.1 { |
| 119 analyse_parse {(a text, b integer hidden, c hidden)} {a b c} |
| 120 } {a text integer {}} |
| 121 |
| 122 do_test vtabA-2.2 { |
| 123 analyse_parse {(a hidden , b integerhidden, c hidden1)} {a b c} |
| 124 } {{b c} {} integerhidden hidden1} |
| 125 |
| 126 do_test vtabA-2.3 { |
| 127 analyse_parse {(a HiDden, b HIDDEN, c hidden)} {a b c} |
| 128 } {{} {} {} {}} |
| 129 |
| 130 do_test vtabA-2.4 { |
| 131 analyse_parse {(a whatelse can i hidden test, b HIDDEN hidden)} {a b} |
| 132 } {{} {whatelse can i test} hidden} |
| 133 |
| 134 |
| 135 # Ticket [d2f02d37f52bfe23e421f2c60fbb8586ac76ff01]: |
| 136 # assertion failure on an UPDATE involving two virtual tables. |
| 137 # |
| 138 do_test vtabA-3.1 { |
| 139 db eval { |
| 140 DROP TABLE IF EXISTS t1; |
| 141 DROP TABLE IF EXISTS t2; |
| 142 CREATE TABLE t1(a,b); |
| 143 INSERT INTO t1 VALUES(1,2); |
| 144 CREATE TABLE t2(x,y); |
| 145 INSERT INTO t2 VALUES(3,4); |
| 146 CREATE VIRTUAL TABLE vt1 USING echo(t1); |
| 147 CREATE VIRTUAL TABLE vt2 USING echo(t2); |
| 148 UPDATE vt2 SET x=(SELECT a FROM vt1 WHERE b=2) WHERE y=4; |
| 149 SELECT * FROM t2; |
| 150 } |
| 151 } {1 4} |
| 152 |
| 153 finish_test |
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