AryaWu/sqlite

1# 2008 July 152#3# The author disclaims copyright to this source code.  In place of4# 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. 12#13# The focus of this file is testing how SQLite generates the names14# of columns in a result set.15#16 17set testdir [file dirname $argv0]18source $testdir/tester.tcl19 20# Rules (applied in order):21#22# (1) If there is an AS clause, use it.23#24# (2) A non-trival expression (not a table column name) then the name is25#     a copy of the expression text.26#27# (3) If short_column_names=ON, then just the abbreviated column name without28#     the table name.29#30# (4) When short_column_names=OFF and full_column_names=OFF then31#     use case (2) for simple queries and case (5) for joins.32#33# (5) When short_column_names=OFF and full_column_names=ON then34#     use the form: TABLE.COLUMN35#36 37 38# Verify the default settings for short_column_name and full_column_name39#40do_test colname-1.1 {41  db eval {PRAGMA short_column_names}42} {1}43do_test colname-1.2 {44  db eval {PRAGMA full_column_names}45} {0}46 47# Tests for then short=ON and full=any48#49do_test colname-2.1 {50  db eval {51    CREATE TABLE tabc(a,b,c);52    INSERT INTO tabc VALUES(1,2,3);53    CREATE TABLE txyz(x,y,z);54    INSERT INTO txyz VALUES(4,5,6);55    CREATE TABLE tboth(a,b,c,x,y,z);56    INSERT INTO tboth VALUES(11,12,13,14,15,16);57    CREATE VIEW v1 AS SELECT tabC.a, txyZ.x, * 58      FROM tabc, txyz ORDER BY 1 LIMIT 1;59    CREATE VIEW v2 AS SELECT tabC.a, txyZ.x, tboTh.a, tbotH.x, *60      FROM tabc, txyz, tboth ORDER BY 1 LIMIT 1;61  }62  execsql2 {63    SELECT * FROM tabc;64  }65} {a 1 b 2 c 3}66do_test colname-2.2 {67  execsql2 {68    SELECT Tabc.a, tAbc.b, taBc.c, * FROM tabc69  }70} {a 1 b 2 c 3 a 1 b 2 c 3}71do_test colname-2.3 {72  execsql2 {73    SELECT +tabc.a, -tabc.b, tabc.c, * FROM tabc74  }75} {+tabc.a 1 -tabc.b -2 c 3 a 1 b 2 c 3}76do_test colname-2.4 {77  execsql2 {78    SELECT +tabc.a AS AAA, -tabc.b AS BBB, tabc.c CCC, * FROM tabc79  }80} {AAA 1 BBB -2 CCC 3 a 1 b 2 c 3}81do_test colname-2.5 {82  execsql2 {83    SELECT tabc.a, txyz.x, * FROM tabc, txyz;84  }85} {a 1 x 4 a 1 b 2 c 3 x 4 y 5 z 6}86do_test colname-2.6 {87  execsql2 {88    SELECT tabc.a, txyz.x, tabc.*, txyz.* FROM tabc, txyz;89  }90} {a 1 x 4 a 1 b 2 c 3 x 4 y 5 z 6}91do_test colname-2.7 {92  execsql2 {93    SELECT tabc.a, txyz.x, tboth.a, tboth.x, * FROM tabc, txyz, tboth;94  }95} {a 11 x 14 a 11 x 14 a 11 b 12 c 13 x 14 y 15 z 16 a 11 b 12 c 13 x 14 y 15 z 16}96do_test colname-2.8 {97  execsql2 {98    SELECT * FROM v1 ORDER BY 2;99  }100} {a 1 x 4 a:1 1 b 2 c 3 x:1 4 y 5 z 6}101do_test colname-2.9 {102  execsql2 {103    SELECT * FROM v2 ORDER BY 2;104  }105} {a 1 x 4 a:1 11 x:1 14 a:2 1 b 2 c 3 x:2 4 y 5 z 6 a:3 11 b:1 12 c:1 13 x:3 14 y:1 15 z:1 16}106 107 108# Tests for short=OFF and full=OFF109#110do_test colname-3.1 {111  db eval {112    PRAGMA short_column_names=OFF;113    PRAGMA full_column_names=OFF;114    CREATE VIEW v3 AS SELECT tabC.a, txyZ.x, *115      FROM tabc, txyz ORDER BY 1 LIMIT 1;116    CREATE VIEW v4 AS SELECT tabC.a, txyZ.x, tboTh.a, tbotH.x, * 117      FROM tabc, txyz, tboth ORDER BY 1 LIMIT 1;118  }119  execsql2 {120    SELECT * FROM tabc;121  }122} {a 1 b 2 c 3}123do_test colname-3.2 {124  execsql2 {125    SELECT Tabc.a, tAbc.b, taBc.c FROM tabc126  }127} {Tabc.a 1 tAbc.b 2 taBc.c 3}128do_test colname-3.3 {129  execsql2 {130    SELECT +tabc.a, -tabc.b, tabc.c FROM tabc131  }132} {+tabc.a 1 -tabc.b -2 tabc.c 3}133do_test colname-3.4 {134  execsql2 {135    SELECT +tabc.a AS AAA, -tabc.b AS BBB, tabc.c CCC FROM tabc136  }137} {AAA 1 BBB -2 CCC 3}138do_test colname-3.5 {139  execsql2 {140    SELECT Tabc.a, Txyz.x, * FROM tabc, txyz;141  }142} {Tabc.a 1 Txyz.x 4 a 1 b 2 c 3 x 4 y 5 z 6}143do_test colname-3.6 {144  execsql2 {145    SELECT tabc.*, txyz.* FROM tabc, txyz;146  }147} {a 1 b 2 c 3 x 4 y 5 z 6}148do_test colname-3.7 {149  execsql2 {150    SELECT * FROM tabc, txyz, tboth;151  }152} {a 11 b 12 c 13 x 14 y 15 z 16 a 11 b 12 c 13 x 14 y 15 z 16}153do_test colname-3.8 {154  execsql2 {155    SELECT v1.a, * FROM v1 ORDER BY 2;156  }157} {v1.a 1 a 1 x 4 a:1 1 b 2 c 3 x:1 4 y 5 z 6}158do_test colname-3.9 {159  execsql2 {160    SELECT * FROM v2 ORDER BY 2;161  }162} {a 1 x 4 a:1 11 x:1 14 a:2 1 b 2 c 3 x:2 4 y 5 z 6 a:3 11 b:1 12 c:1 13 x:3 14 y:1 15 z:1 16}163do_test colname-3.10 {164  execsql2 {165    SELECT * FROM v3 ORDER BY 2;166  }167} {a 1 x 4 a:1 1 b 2 c 3 x:1 4 y 5 z 6}168do_test colname-3.11 {169  execsql2 {170    SELECT * FROM v4 ORDER BY 2;171  }172} {a 1 x 4 a:1 11 x:1 14 a:2 1 b 2 c 3 x:2 4 y 5 z 6 a:3 11 b:1 12 c:1 13 x:3 14 y:1 15 z:1 16}173 174# Test for short=OFF and full=ON175#176do_test colname-4.1 {177  db eval {178    PRAGMA short_column_names=OFF;179    PRAGMA full_column_names=ON;180    CREATE VIEW v5 AS SELECT tabC.a, txyZ.x, *181      FROM tabc, txyz ORDER BY 1 LIMIT 1;182    CREATE VIEW v6 AS SELECT tabC.a, txyZ.x, tboTh.a, tbotH.x, * 183      FROM tabc, txyz, tboth ORDER BY 1 LIMIT 1;184  }185  execsql2 {186    SELECT * FROM tabc;187  }188} {tabc.a 1 tabc.b 2 tabc.c 3}189do_test colname-4.2 {190  execsql2 {191    SELECT Tabc.a, tAbc.b, taBc.c FROM tabc192  }193} {tabc.a 1 tabc.b 2 tabc.c 3}194do_test colname-4.3 {195  execsql2 {196    SELECT +tabc.a, -tabc.b, tabc.c FROM tabc197  }198} {+tabc.a 1 -tabc.b -2 tabc.c 3}199do_test colname-4.4 {200  execsql2 {201    SELECT +tabc.a AS AAA, -tabc.b AS BBB, tabc.c CCC FROM tabc202  }203} {AAA 1 BBB -2 CCC 3}204do_test colname-4.5 {205  execsql2 {206    SELECT Tabc.a, Txyz.x, * FROM tabc, txyz;207  }208} {tabc.a 1 txyz.x 4 tabc.a 1 tabc.b 2 tabc.c 3 txyz.x 4 txyz.y 5 txyz.z 6}209do_test colname-4.6 {210  execsql2 {211    SELECT tabc.*, txyz.* FROM tabc, txyz;212  }213} {tabc.a 1 tabc.b 2 tabc.c 3 txyz.x 4 txyz.y 5 txyz.z 6}214do_test colname-4.7 {215  execsql2 {216    SELECT * FROM tabc, txyz, tboth;217  }218} {tabc.a 1 tabc.b 2 tabc.c 3 txyz.x 4 txyz.y 5 txyz.z 6 tboth.a 11 tboth.b 12 tboth.c 13 tboth.x 14 tboth.y 15 tboth.z 16}219do_test colname-4.8 {220  execsql2 {221    SELECT * FROM v1 ORDER BY 2;222  }223} {v1.a 1 v1.x 4 v1.a:1 1 v1.b 2 v1.c 3 v1.x:1 4 v1.y 5 v1.z 6}224do_test colname-4.9 {225  execsql2 {226    SELECT * FROM v2 ORDER BY 2;227  }228} {v2.a 1 v2.x 4 v2.a:1 11 v2.x:1 14 v2.a:2 1 v2.b 2 v2.c 3 v2.x:2 4 v2.y 5 v2.z 6 v2.a:3 11 v2.b:1 12 v2.c:1 13 v2.x:3 14 v2.y:1 15 v2.z:1 16}229do_test colname-4.10 {230  execsql2 {231    SELECT * FROM v3 ORDER BY 2;232  }233} {v3.a 1 v3.x 4 v3.a:1 1 v3.b 2 v3.c 3 v3.x:1 4 v3.y 5 v3.z 6}234do_test colname-4.11 {235  execsql2 {236    SELECT * FROM v4 ORDER BY 2;237  }238} {v4.a 1 v4.x 4 v4.a:1 11 v4.x:1 14 v4.a:2 1 v4.b 2 v4.c 3 v4.x:2 4 v4.y 5 v4.z 6 v4.a:3 11 v4.b:1 12 v4.c:1 13 v4.x:3 14 v4.y:1 15 v4.z:1 16}239do_test colname-4.12 {240  execsql2 {241    SELECT * FROM v5 ORDER BY 2;242  }243} {v5.a 1 v5.x 4 v5.a:1 1 v5.b 2 v5.c 3 v5.x:1 4 v5.y 5 v5.z 6}244do_test colname-4.13 {245  execsql2 {246    SELECT * FROM v6 ORDER BY 2;247  }248} {v6.a 1 v6.x 4 v6.a:1 11 v6.x:1 14 v6.a:2 1 v6.b 2 v6.c 3 v6.x:2 4 v6.y 5 v6.z 6 v6.a:3 11 v6.b:1 12 v6.c:1 13 v6.x:3 14 v6.y:1 15 v6.z:1 16}249 250# ticket #3229251do_test colname-5.1 {252  lreplace [db eval {253    SELECT x.* FROM sqlite_master X LIMIT 1;254  }] 3 3 x255} {table tabc tabc x {CREATE TABLE tabc(a,b,c)}}256 257# ticket #3370, #3371, #3372258#259do_test colname-6.1 {260  db close261  sqlite3 db test.db262  db eval {263    CREATE TABLE t6(a, ['a'], ["a"], "[a]", [`a`]);264    INSERT INTO t6 VALUES(1,2,3,4,5);265  }266  execsql2 {SELECT * FROM t6}267} {a 1 'a' 2 {"a"} 3 {[a]} 4 `a` 5}268do_test colname-6.2 {269  execsql2 {SELECT ['a'], [`a`], "[a]", [a], ["a"] FROM t6}270} {'a' 2 `a` 5 {[a]} 4 a 1 {"a"} 3}271do_test colname-6.3 {272  execsql2 {SELECT "'a'", "`a`", "[a]", "a", """a""" FROM t6}273} {'a' 2 `a` 5 {[a]} 4 a 1 {"a"} 3}274do_test colname-6.4 {275  execsql2 {SELECT `'a'`, ```a```, `[a]`, `a`, `"a"` FROM t6}276} {'a' 2 `a` 5 {[a]} 4 a 1 {"a"} 3}277do_test colname-6.11 {278  execsql2 {SELECT a, max(a) AS m FROM t6}279} {a 1 m 1}280do_test colname-6.12 {281  execsql2 {SELECT `a`, max(a) AS m FROM t6}282} {a 1 m 1}283do_test colname-6.13 {284  execsql2 {SELECT "a", max(a) AS m FROM t6}285} {a 1 m 1}286do_test colname-6.14 {287  execsql2 {SELECT [a], max(a) AS m FROM t6}288} {a 1 m 1}289do_test colname-6.15 {290  execsql2 {SELECT t6.a, max(a) AS m FROM t6}291} {a 1 m 1}292do_test colname-6.16 {293  execsql2 {SELECT ['a'], max(['a']) AS m FROM t6}294} {'a' 2 m 2}295do_test colname-6.17 {296  execsql2 {SELECT ["a"], max(["a"]) AS m FROM t6}297} {{"a"} 3 m 3}298do_test colname-6.18 {299  execsql2 {SELECT "[a]", max("[a]") AS m FROM t6}300} {{[a]} 4 m 4}301do_test colname-6.19 {302  execsql2 {SELECT "`a`", max([`a`]) AS m FROM t6}303} {`a` 5 m 5}304 305 306# Ticket #3429307# We cannot find anything wrong, but it never hurts to add another308# test case.309#310do_test colname-7.1 {311  db eval {312    CREATE TABLE t7(x INTEGER PRIMARY KEY, y);313    INSERT INTO t7 VALUES(1,2);314  }315  execsql2 {SELECT rowid, * FROM t7}316} {x 1 x 1 y 2}317 318# Tickets #3893 and #3984.  (Same problem; independently reported)319#320do_test colname-8.1 {321  db eval {322    CREATE TABLE "t3893"("x");323    INSERT INTO t3893 VALUES(123);324    SELECT "y"."x" FROM (SELECT "x" FROM "t3893") AS "y";325  }326} {123}327 328# 2017-07-29: Interaction between column naming and query flattening.329# For years now, the query flattener has inserted AS clauses on the330# outer query that were the original SQL text of the column.  This caused331# column-name shifts when the query flattener was enhanced, breaking332# legacy applications.  See https://sqlite.org/src/info/41c27bc0ff1d3135333# for details.334#335# To fix this, the column naming logic was moved ahead of the query336# flattener so that column names are assigned before the query flattener337# runs.338#339db close340sqlite3 db :memory:341do_test colname-9.100 {342  db eval {343    CREATE TABLE t1(a,b);344    INSERT INTO t1 VALUES(1,2);345    CREATE VIEW v1(x,y) AS SELECT a,b FROM t1;346  }347  execsql2 {SELECT v1.x, (Y) FROM v1}348  # Prior to the fix, this would return:  "v1.x 1 (Y) 2"349} {x 1 y 2}350do_test colname-9.110 {351  execsql2 {SELECT * FROM v1}352} {x 1 y 2}353do_test colname-9.120 {354  db eval {355    CREATE VIEW v2(x,y) AS SELECT a,b FROM t1 LIMIT 10;356  }357  execsql2 {SELECT * FROM v2 WHERE 1}358} {x 1 y 2}359do_test colname-9.130 {360  execsql2 {SELECT v2.x, [v2].[y] FROM v2 WHERE 1}361} {x 1 y 2}362do_test colname-9.140 {363  execsql2 {SELECT +x, +y FROM v2 WHERE 1}364} {+x 1 +y 2}365 366do_test colname-9.200 {367  db eval {368    CREATE TABLE t2(c,d);369    INSERT INTO t2 VALUES(3,4);370    CREATE VIEW v3 AS SELECT c AS a, d AS b FROM t2;371  }372  execsql2 {SELECT t1.a, v3.a AS n FROM t1 LEFT JOIN v3}373} {a 1 n 3}374do_test colname-9.211 {375  execsql2 {SELECT t1.a AS n, v3.a FROM t1 JOIN v3}376} {n 1 a 3}377do_test colname-9.210 {378  execsql2 {SELECT t1.a, v3.a AS n FROM t1 JOIN v3}379} {a 1 n 3}380 381# 2017-12-23:  Ticket https://sqlite.org/src/info/3b4450072511e621382# Inconsistent column names in CREATE TABLE AS383#384# Verify that the names of columns in the created table of a CREATE TABLE AS385# are the same as the names of result columns in the SELECT statement.386#387do_execsql_test colname-9.300 {388  DROP TABLE IF EXISTS t1;389  DROP TABLE IF EXISTS t2;390  CREATE TABLE t1(aaa INT);391  INSERT INTO t1(aaa) VALUES(123);392}393do_test colname-9.310 {394  execsql2 {SELECT BBb FROM (SELECT aaa AS Bbb FROM t1)}395} {Bbb 123}396ifcapable vtab {397  do_execsql_test colname-9.320 {398    CREATE TABLE t2 AS SELECT BBb FROM (SELECT aaa AS Bbb FROM t1);399    SELECT name FROM pragma_table_info('t2');400  } {Bbb}401}402do_execsql_test colname-9.330 { -- added 2019-08-10 to invalidate403  DROP TABLE IF EXISTS t1;      -- a couple assert()s that were404  CREATE TABLE t1(a);           -- added by ticket 3b44500725405  INSERT INTO t1 VALUES(17),(2),(99),(-3),(7);406  SELECT (SELECT avg(a) UNION SELECT min(a) OVER()) FROM t1;407} {17}408 409# Issue detected by OSSFuzz on 2017-12-24 (Christmas Eve)410# caused by check-in https://sqlite.org/src/info/6b2ff26c25411#412# Prior to being fixed, the following CREATE TABLE was dereferencing413# a NULL pointer and segfaulting.414#415do_catchsql_test colname-9.400 {416  CREATE TABLE t4 AS SELECT #0;417} {1 {near "#0": syntax error}}418 419# Issue detected by OSSFuzz on 2017-12-25 (Christmas Day)420# also caused by check-in https://sqlite.org/src/info/6b2ff26c25421#422# Prior to being fixed, the following CREATE TABLE caused an423# assertion fault.424#425do_catchsql_test colname-9.410 {426  CREATE TABLE t5 AS SELECT RAISE(abort,a);427} {1 {no such column: a}}428 429# Make sure the quotation marks get removed from the column names430# when constructing a new table from an aggregate SELECT.431# Email from Juergen Palm on 2017-07-11.432#433do_execsql_test colname-10.100 {434  DROP TABLE IF EXISTS t1;435  CREATE TABLE t1("with space" TEXT);436  DROP TABLE IF EXISTS t2;437  CREATE TABLE t2 AS SELECT "with space" FROM t1;438  PRAGMA table_info(t2);439} {0 {with space} TEXT 0 {} 0}440do_execsql_test colname-10.110 {441  DROP TABLE IF EXISTS t3;442  CREATE TABLE t3 AS SELECT "with space" FROM t1 GROUP BY 1;443  PRAGMA table_info(t3);444} {0 {with space} TEXT 0 {} 0}445 446 447finish_test448