# 2009 August 13 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # 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 implements regression tests for SQLite library. The # focus of this file is testing WHERE clause conditions with # subtle affinity issues. # set testdir [file dirname $argv0] source $testdir/tester.tcl # For this set of tests: # # * t1.y holds an integer value with affinity NONE # * t2.b holds a text value with affinity TEXT # # These values are not equal and because neither affinity is NUMERIC # no type conversion occurs. # do_test whereB-1.1 { db eval { CREATE TABLE t1(x,y); -- affinity of t1.y is NONE INSERT INTO t1 VALUES(1,99); CREATE TABLE t2(a, b TEXT); -- affinity of t2.b is TEXT CREATE INDEX t2b ON t2(b); INSERT INTO t2 VALUES(2,99); SELECT x, a, y=b FROM t1, t2 ORDER BY +x, +a; } } {1 2 0} do_test whereB-1.2 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {} do_test whereB-1.3 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {} do_test whereB-1.4 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} do_test whereB-1.100 { db eval { DROP INDEX t2b; SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {} do_test whereB-1.101 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {} do_test whereB-1.102 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} # For this set of tests: # # * t1.y holds a text value with affinity TEXT # * t2.b holds an integer value with affinity NONE # # These values are not equal and because neither affinity is NUMERIC # no type conversion occurs. # do_test whereB-2.1 { db eval { DROP TABLE t1; DROP TABLE t2; CREATE TABLE t1(x, y TEXT); -- affinity of t1.y is TEXT INSERT INTO t1 VALUES(1,99); CREATE TABLE t2(a, b BLOB); -- affinity of t2.b is NONE CREATE INDEX t2b ON t2(b); INSERT INTO t2 VALUES(2,99); SELECT x, a, y=b FROM t1, t2 ORDER BY +x, +a; } } {1 2 0} do_test whereB-2.2 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {} do_test whereB-2.3 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {} do_test whereB-2.4 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} do_test whereB-2.100 { db eval { DROP INDEX t2b; SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {} do_test whereB-2.101 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {} do_test whereB-2.102 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} # For this set of tests: # # * t1.y holds a text value with affinity NONE # * t2.b holds an integer value with affinity NONE # # These values are not equal and because neither affinity is NUMERIC # no type conversion occurs. # do_test whereB-3.1 { db eval { DROP TABLE t1; DROP TABLE t2; CREATE TABLE t1(x, y BLOB); -- affinity of t1.y is NONE INSERT INTO t1 VALUES(1,99); CREATE TABLE t2(a, b BLOB); -- affinity of t2.b is NONE CREATE INDEX t2b ON t2(b); INSERT INTO t2 VALUES(2,'99'); SELECT x, a, y=b FROM t1, t2; } } {1 2 0} do_test whereB-3.2 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {} do_test whereB-3.3 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {} do_test whereB-3.4 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} do_test whereB-3.100 { db eval { DROP INDEX t2b; SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {} do_test whereB-3.101 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {} do_test whereB-3.102 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} # For this set of tests: # # * t1.y holds a text value with affinity NONE # * t2.b holds an integer value with affinity NUMERIC # # Because t2.b has a numeric affinity, type conversion should occur # and the two fields should be equal. # do_test whereB-4.1 { db eval { DROP TABLE t1; DROP TABLE t2; CREATE TABLE t1(x, y BLOB); -- affinity of t1.y is NONE INSERT INTO t1 VALUES(1,'99'); CREATE TABLE t2(a, b NUMERIC); -- affinity of t2.b is NUMERIC CREATE INDEX t2b ON t2(b); INSERT INTO t2 VALUES(2,99); SELECT x, a, y=b FROM t1, t2; } } {1 2 1} do_test whereB-4.2 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {1 2 1} do_test whereB-4.3 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {1 2 1} do_test whereB-4.4 { # In this case the unary "+" operator removes the column affinity so # the columns compare false db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} do_test whereB-4.100 { db eval { DROP INDEX t2b; SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {1 2 1} do_test whereB-4.101 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {1 2 1} do_test whereB-4.102 { # In this case the unary "+" operator removes the column affinity so # the columns compare false db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} # For this set of tests: # # * t1.y holds a text value with affinity NONE # * t2.b holds an integer value with affinity INTEGER # # Because t2.b has a numeric affinity, type conversion should occur # and the two fields should be equal. # do_test whereB-5.1 { db eval { DROP TABLE t1; DROP TABLE t2; CREATE TABLE t1(x, y BLOB); -- affinity of t1.y is NONE INSERT INTO t1 VALUES(1,'99'); CREATE TABLE t2(a, b INT); -- affinity of t2.b is INTEGER CREATE INDEX t2b ON t2(b); INSERT INTO t2 VALUES(2,99); SELECT x, a, y=b FROM t1, t2; } } {1 2 1} do_test whereB-5.2 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {1 2 1} do_test whereB-5.3 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {1 2 1} do_test whereB-5.4 { # In this case the unary "+" operator removes the column affinity so # the columns compare false db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} do_test whereB-5.100 { db eval { DROP INDEX t2b; SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {1 2 1} do_test whereB-5.101 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {1 2 1} do_test whereB-5.102 { # In this case the unary "+" operator removes the column affinity so # the columns compare false db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} # For this set of tests: # # * t1.y holds a text value with affinity NONE # * t2.b holds an integer value with affinity REAL # # Because t2.b has a numeric affinity, type conversion should occur # and the two fields should be equal. # do_test whereB-6.1 { db eval { DROP TABLE t1; DROP TABLE t2; CREATE TABLE t1(x, y BLOB); -- affinity of t1.y is NONE INSERT INTO t1 VALUES(1,'99'); CREATE TABLE t2(a, b REAL); -- affinity of t2.b is REAL CREATE INDEX t2b ON t2(b); INSERT INTO t2 VALUES(2,99.0); SELECT x, a, y=b FROM t1, t2; } } {1 2 1} do_test whereB-6.2 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {1 2 1} do_test whereB-6.3 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {1 2 1} do_test whereB-6.4 { # In this case the unary "+" operator removes the column affinity so # the columns compare false db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} do_test whereB-6.100 { db eval { DROP INDEX t2b; SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {1 2 1} do_test whereB-6.101 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {1 2 1} do_test whereB-6.102 { # In this case the unary "+" operator removes the column affinity so # the columns compare false db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} # For this set of tests: # # * t1.y holds an integer value with affinity NUMERIC # * t2.b holds a text value with affinity NONE # # Because t1.y has a numeric affinity, type conversion should occur # and the two fields should be equal. # do_test whereB-7.1 { db eval { DROP TABLE t1; DROP TABLE t2; CREATE TABLE t1(x, y NUMERIC); -- affinity of t1.y is NUMERIC INSERT INTO t1 VALUES(1,99); CREATE TABLE t2(a, b BLOB); -- affinity of t2.b is NONE CREATE INDEX t2b ON t2(b); INSERT INTO t2 VALUES(2,'99'); SELECT x, a, y=b FROM t1, t2; } } {1 2 1} do_test whereB-7.2 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {1 2 1} do_test whereB-7.3 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {1 2 1} do_test whereB-7.4 { # In this case the unary "+" operator removes the column affinity so # the columns compare false db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} do_test whereB-7.100 { db eval { DROP INDEX t2b; SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {1 2 1} do_test whereB-7.101 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {1 2 1} do_test whereB-7.102 { # In this case the unary "+" operator removes the column affinity so # the columns compare false db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} # For this set of tests: # # * t1.y holds an integer value with affinity INTEGER # * t2.b holds a text value with affinity NONE # # Because t1.y has a numeric affinity, type conversion should occur # and the two fields should be equal. # do_test whereB-8.1 { db eval { DROP TABLE t1; DROP TABLE t2; CREATE TABLE t1(x, y INT); -- affinity of t1.y is INTEGER INSERT INTO t1 VALUES(1,99); CREATE TABLE t2(a, b BLOB); -- affinity of t2.b is NONE CREATE INDEX t2b ON t2(b); INSERT INTO t2 VALUES(2,'99'); SELECT x, a, y=b FROM t1, t2; } } {1 2 1} do_test whereB-8.2 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {1 2 1} do_test whereB-8.3 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {1 2 1} do_test whereB-8.4 { # In this case the unary "+" operator removes the column affinity so # the columns compare false db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} do_test whereB-8.100 { db eval { DROP INDEX t2b; SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {1 2 1} do_test whereB-8.101 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {1 2 1} do_test whereB-8.102 { # In this case the unary "+" operator removes the column affinity so # the columns compare false db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} # For this set of tests: # # * t1.y holds an integer value with affinity REAL # * t2.b holds a text value with affinity NONE # # Because t1.y has a numeric affinity, type conversion should occur # and the two fields should be equal. # do_test whereB-9.1 { db eval { DROP TABLE t1; DROP TABLE t2; CREATE TABLE t1(x, y REAL); -- affinity of t1.y is REAL INSERT INTO t1 VALUES(1,99.0); CREATE TABLE t2(a, b BLOB); -- affinity of t2.b is NONE CREATE INDEX t2b ON t2(b); INSERT INTO t2 VALUES(2,'99'); SELECT x, a, y=b FROM t1, t2; } } {1 2 1} do_test whereB-9.2 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {1 2 1} do_test whereB-9.3 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {1 2 1} do_test whereB-9.4 { # In this case the unary "+" operator removes the column affinity so # the columns compare false db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} do_test whereB-9.100 { db eval { DROP INDEX t2b; SELECT x, a, y=b FROM t1, t2 WHERE y=b; } } {1 2 1} do_test whereB-9.101 { db eval { SELECT x, a, y=b FROM t1, t2 WHERE b=y; } } {1 2 1} do_test whereB-9.102 { # In this case the unary "+" operator removes the column affinity so # the columns compare false db eval { SELECT x, a, y=b FROM t1, t2 WHERE +y=+b; } } {} finish_test