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Overview
Comment:Fix requirements marks only. No changes to code or tests.
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SHA1: 4a34378b9b02e463081729186dcb9b0404dbcd06
User & Date: drh 2014-01-30 15:03:50.330
Context
2014-01-30
17:47
Update evidence marks on SELECT tests. Comment changes only. No changes to code or tests. (check-in: 1973d80e47 user: drh tags: trunk)
15:03
Fix requirements marks only. No changes to code or tests. (check-in: 4a34378b9b user: drh tags: trunk)
14:10
Update a requirement mark and add some additional test cases to cover the requirement associated with ORDER BY and LIMIT on compound SELECT statements. (check-in: 8560091e85 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to test/e_select.test.
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        -58 {} 1.21       alerting {} -93.79 {}                  \
        -58 {} 1.21       coldest -96 dramatists 82.3            \
        -58 {} 1.21       conducting -87.24 37.56 {}             \
        -58 {} 1.21       presenting 51 reformation dignified    \
]
# TODO: Come back and add a few more like the above.

# EVIDENCE-OF: R-20659-43267 In other words, if the left-hand dataset
# consists of Nlhs rows of Mlhs columns, and the right-hand dataset of
# Nrhs rows of Mrhs columns, then the cartesian product is a dataset of
# Nlhs.Nrhs rows, each containing Mlhs+Mrhs columns.
#
# x1, x2    (Nlhs=3, Nrhs=2)   (Mlhs=2, Mrhs=3)
do_join_test e_select-1.4.3.1 { 
  SELECT count(*) FROM x1 %JOIN% x2 
} [expr 3*2]
do_test e_select-1.4.3.2 { 
  expr {[llength [execsql {SELECT * FROM x1, x2}]] / 6}








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460
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        -58 {} 1.21       alerting {} -93.79 {}                  \
        -58 {} 1.21       coldest -96 dramatists 82.3            \
        -58 {} 1.21       conducting -87.24 37.56 {}             \
        -58 {} 1.21       presenting 51 reformation dignified    \
]
# TODO: Come back and add a few more like the above.

# EVIDENCE-OF: R-18439-38548 In other words, if the left-hand dataset
# consists of Nleft rows of Mleft columns, and the right-hand dataset of
# Nright rows of Mright columns, then the cartesian product is a dataset
# of Nleft×Nright rows, each containing Mleft+Mright columns.
#
# x1, x2    (Nlhs=3, Nrhs=2)   (Mlhs=2, Mrhs=3)
do_join_test e_select-1.4.3.1 { 
  SELECT count(*) FROM x1 %JOIN% x2 
} [expr 3*2]
do_test e_select-1.4.3.2 { 
  expr {[llength [execsql {SELECT * FROM x1, x2}]] / 6}
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  CREATE TABLE x2(k, x, y2);
  INSERT INTO x2 VALUES(1, 50, X'B82838');
  INSERT INTO x2 VALUES(5, 84.79, 65.88);
  INSERT INTO x2 VALUES(3, -22, X'0E1BE452A393');
  INSERT INTO x2 VALUES(7, 'mistrusted', 'standardized');
} {}

# EVIDENCE-OF: R-06999-14330 If a WHERE clause is specified, the WHERE
# expression is evaluated for each row in the input data as a boolean
# expression. All rows for which the WHERE clause expression evaluates
# to false are excluded from the dataset before continuing.
#
do_execsql_test e_select-3.1.1 { SELECT k FROM x1 WHERE x }         {3}
do_execsql_test e_select-3.1.2 { SELECT k FROM x1 WHERE y }         {3 5 6}
do_execsql_test e_select-3.1.3 { SELECT k FROM x1 WHERE z }         {1 2 6}
do_execsql_test e_select-3.1.4 { SELECT k FROM x1 WHERE '1'||z    } {1 2 4 6}
do_execsql_test e_select-3.1.5 { SELECT k FROM x1 WHERE x IS NULL } {4 5}
do_execsql_test e_select-3.1.6 { SELECT k FROM x1 WHERE z - 78.43 } {2 4 6}








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  CREATE TABLE x2(k, x, y2);
  INSERT INTO x2 VALUES(1, 50, X'B82838');
  INSERT INTO x2 VALUES(5, 84.79, 65.88);
  INSERT INTO x2 VALUES(3, -22, X'0E1BE452A393');
  INSERT INTO x2 VALUES(7, 'mistrusted', 'standardized');
} {}

# EVIDENCE-OF: R-60775-64916 If a WHERE clause is specified, the WHERE
# expression is evaluated for each row in the input data as a boolean
# expression. Only rows for which the WHERE clause expression evaluates
# to true are included from the dataset before continuing.
#
do_execsql_test e_select-3.1.1 { SELECT k FROM x1 WHERE x }         {3}
do_execsql_test e_select-3.1.2 { SELECT k FROM x1 WHERE y }         {3 5 6}
do_execsql_test e_select-3.1.3 { SELECT k FROM x1 WHERE z }         {1 2 6}
do_execsql_test e_select-3.1.4 { SELECT k FROM x1 WHERE '1'||z    } {1 2 4 6}
do_execsql_test e_select-3.1.5 { SELECT k FROM x1 WHERE x IS NULL } {4 5}
do_execsql_test e_select-3.1.6 { SELECT k FROM x1 WHERE z - 78.43 } {2 4 6}
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