112 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			112 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
# 2006 January 30
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#
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# The author disclaims copyright to this source code.  In place of
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# a legal notice, here is a blessing:
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#
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#    May you do good and not evil.
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#    May you find forgiveness for yourself and forgive others.
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#    May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library.
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#
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# This file implements tests to verify that ticket #1644 is
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# fixed.  Ticket #1644 complains that precompiled statements
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# are not expired correctly as a result of changes to TEMP
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# views and triggers.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !tempdb||!view {
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  finish_test
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  return
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}  
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# Create two tables T1 and T2 and make V1 point to T1.
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do_test tkt1644-1.1 {
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  execsql {
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    CREATE TABLE t1(a);
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    INSERT INTO t1 VALUES(1);
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    CREATE TABLE t2(b);
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    INSERT INTO t2 VALUES(99);
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    CREATE TEMP VIEW v1 AS SELECT * FROM t1;
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    SELECT * FROM v1;
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  }
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} {1}
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# The "SELECT * FROM v1" should be in the TCL interface cache below.
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# It will continue to point to T1 unless the cache is invalidated when
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# the view changes.
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#
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do_test tkt1644-1.2 {
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  execsql {
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    DROP VIEW v1;
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    CREATE TEMP VIEW v1 AS SELECT * FROM t2;
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    SELECT * FROM v1;
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  }
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} {99}
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# Cache an access to the T1 table.
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#
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do_test tkt1644-1.3 {
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  execsql {
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    SELECT * FROM t1;
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  }
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} {1}
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# Create a temp table T1.  Make sure the cache is invalidated so that
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# the statement is recompiled and refers to the empty temp table.
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#
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do_test tkt1644-1.4 {
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  execsql {
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    CREATE TEMP TABLE t1(x);
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  }
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  execsql {
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    SELECT * FROM t1;
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  }
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} {}
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ifcapable view {
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  do_test tkt1644-2.1 {
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    execsql {
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      CREATE TEMP TABLE temp_t1(a, b);
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    }
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    set ::DB [sqlite3_connection_pointer db]
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    set ::STMT [sqlite3_prepare $::DB "SELECT * FROM temp_t1" -1 DUMMY]
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    execsql {
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      DROP TABLE temp_t1;
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    }
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    list [sqlite3_step $::STMT] [sqlite3_finalize $::STMT]
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  } {SQLITE_ERROR SQLITE_SCHEMA}
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  do_test tkt1644-2.2 {
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    execsql {
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      CREATE TABLE real_t1(a, b);
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      CREATE TEMP VIEW temp_v1 AS SELECT * FROM real_t1;
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    }
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    set ::DB [sqlite3_connection_pointer db]
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    set ::STMT [sqlite3_prepare $::DB "SELECT * FROM temp_v1" -1 DUMMY]
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    execsql {
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      DROP VIEW temp_v1;
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    }
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    list [sqlite3_step $::STMT] [sqlite3_finalize $::STMT]
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  } {SQLITE_ERROR SQLITE_SCHEMA}
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  do_test tkt1644-2.3 {
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    execsql {
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      CREATE TEMP VIEW temp_v1 AS SELECT * FROM real_t1 LIMIT 10 OFFSET 10;
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    }
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    set ::DB [sqlite3_connection_pointer db]
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    set ::STMT [sqlite3_prepare $::DB "SELECT * FROM temp_v1" -1 DUMMY]
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    execsql {
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      DROP VIEW temp_v1;
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    }
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    list [sqlite3_step $::STMT] [sqlite3_finalize $::STMT]
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  } {SQLITE_ERROR SQLITE_SCHEMA}
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}
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finish_test
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