[tarantool-patches] Re: [PATCH 2/2] sql: remove GLOB from Tarantool

Nikita Tatunov n.tatunov at tarantool.org
Sun Sep 9 17:57:50 MSK 2018


Hello, please consider corrected version of the patch.
Diff with the previous version at the end.

> On 17 Aug 2018, at 11:25, Alex Khatskevich <avkhatskevich at tarantool.org> wrote:
> 
> 
> 
> On 16.08.2018 20:00, N.Tatunov wrote:
>> GLOB is a legacy extension for LIKE from SQLite. As we want our SQL to
>> be close to ANSI SQL & LIKE to depend on collations, we do not want to
>> support it. This patch totally removes it from Tarantool along with any
>> mentions of it.
> 1.We delete it because it is not working properly, and instead of fixing it we
> want to replace it with more general regexp. Delete other unnecessary thoughts
> from this message.
> 2. Do not use "we", "our" in commit messages.

As discussed above it’s not going to be changed.

>>  static int
>>  sql_utf8_pattern_compare(const char *pattern,
>>  			 const char *string,
>> -			 const struct compareInfo *pInfo,
>> -			 UChar32 matchOther)
>> +			 const int *is_like_ci,
> Pass this parameter by value.

Fixed.

>> +			 UChar32 match_other)
>>  {
>>  	/* Next pattern and input string chars */
>>  	UChar32 c, c2;
>> -	/* "?" or "_" */
>> -	UChar32 matchOne = pInfo->matchOne;
>> -	/* "*" or "%" */
>> -	UChar32 matchAll = pInfo->matchAll;
>> -	/* True if uppercase==lowercase */
>> -	UChar32 noCase = pInfo->noCase;
>> +	/* "_" */
>> +	UChar32 match_one = '_';
>> +	/* "%" */
>> +	UChar32 match_all = '%';
> This variables consumes stack. Can they be moved to defines?
> If it will break smth, make them const.

moved them to defines.

>> 
>>  int
>> -sqlite3_strlike(const char *zPattern, const char *zStr, unsigned int esc)
>> +sql_strlike_ci(const char *zPattern, const char *zStr, unsigned int esc)
>>  {
>> -	return sql_utf8_pattern_compare(zPattern, zStr, &likeInfoNorm, esc);
>> +	return sql_utf8_pattern_compare(zPattern, zStr, &case_insensitive_like, esc);
> Hardcode `case_insensitive_like` value here.

Done.

>> +	/**
>> +	 * Limit the length of the LIKE pattern to avoid problems
>> +	 * of deep recursion and N*N behavior in
> I thought that only globe could require N*N time. Check delete the comment.

The reason is the recursion in sql_utf8_pattern_compare() which is still
there.

>> 
>> -					     "ESCAPE expression must be a single character",
>> +					     "ESCAPE expression must be a"
>> +					     " single character",
> Do not split error messages at the middle of a sentence. It makes errors ungreppable.
> Make it <80 somehow different.
> 

Have already been discussed in this thread.

>> -		sqlite3_result_error(context, "LIKE or GLOB pattern can only"
>> -				     " contain UTF-8 characters", -1);
>> +		sqlite3_result_error(context, "LIKE pattern can only contain"
>> +				     " UTF-8 characters", -1);
> Do not split error messages at the middle of a sentence. Make it <80 somehow different.

Have already been discussed in this thread.

>> +	int *is_like_ci;
>> +	if (is_case_sensitive)
>> +		is_like_ci = (int *)&case_sensitive_like;
> pass this var by value.

We need (void *) in sqlite3CreateFunc(), i don’t think it’s relevant to pass
variable by value.

>> diff --git a/test/sql-tap/alter.test.lua b/test/sql-tap/alter.test.lua
>> index cfe2801..773bdeb 100755
>> --- a/test/sql-tap/alter.test.lua
>> +++ b/test/sql-tap/alter.test.lua
>> @@ -230,9 +230,10 @@ test:do_execsql_test(
>>  test:do_execsql_test(
>>      "alter-5.1",
>>      [[
>> +        PRAGMA case_sensitive_like = true;
>>          CREATE TABLE xyz(x PRIMARY KEY);
>>          ALTER TABLE xyz RENAME TO "xyz1234abc";
>> -        SELECT "name" FROM "_space" WHERE "name" GLOB 'xyz*';
>> +        SELECT "name" FROM "_space" WHERE "name" LIKE 'xyz%';
> This test become unreasonably complex.
> Do just "select where name = 'xyz1234abc'
> Or at least delete case_sensitive…

Done.

>>      ]], {
>>          -- <alter-5.1>
>>          "xyz1234abc"
>> @@ -243,7 +244,8 @@ test:do_execsql_test(
>>      "alter-5.2",
>>      [[
>>          ALTER TABLE "xyz1234abc" RENAME TO xyzabc;
>> -        SELECT "name" FROM "_space" WHERE "name" GLOB 'XYZ*';
>> +        SELECT "name" FROM "_space" WHERE "name" LIKE 'XYZ%';
>> +        PRAGMA case_sensitive_like = false;
> This test become unreasonably complex.
> Do just "select where name = ‘xyz1234abc'

Done.

>> --- NOTE: This test needs refactoring after deletion of GLOB &
>> ---	 type restrictions for LIKE. (See #3572)
>> ---    {"LIKE", "like"},
>> ---    {"GLOB", "glob"},
>> +    {"LIKE", "like"},
>>      {"AND", "and"},
>>      {"OR", "or"},
>>      {"MATCH", "match"},
>> @@ -98,12 +95,9 @@ operations = {
>>      {"+", "-"},
>>      {"<<", ">>", "&", "|"},
>>      {"<", "<=", ">", ">="},
>> --- NOTE: This test needs refactoring after deletion of GLOB &
>> ---	 type restrictions for LIKE. (See #3572)
>>  -- Another NOTE: MATCH & REGEXP aren't supported in Tarantool &
>> --- 		 are waiting for their hour, don't confuse them
>> ---		 being commented with ticket above.
>> -    {"=", "==", "!=", "<>"}, --"LIKE", "GLOB"}, --"MATCH", "REGEXP"},
>> +-- 		 are waiting for their hour.
>> +    {"=", "==", "!=", "<>", "LIKE"}, --"MATCH", "REGEXP"},
>>      {"AND"},
>>      {"OR"},
>>  }
>> @@ -128,7 +122,7 @@ end
>>  -- EVIDENCE-OF: R-15514-65163 SQLite understands the following binary
>>  -- operators, in order from highest to lowest precedence: || * / % + -
>>  -- << >> & | < <= > >= = == != <> IS IS
>> --- NOT IN LIKE GLOB MATCH REGEXP AND OR
>> +-- NOT IN LIKE MATCH REGEXP AND OR
>>  --
>>  -- EVIDENCE-OF: R-38759-38789 Operators IS and IS NOT have the same
>>  -- precedence as =.
>> @@ -467,18 +461,63 @@ literals = {
>>  for _, op in ipairs(oplist) do
>>      for n1, rhs in ipairs(literals) do
>>          for n2, lhs in ipairs(literals) do
>> -            local t = test:execsql(string.format(" SELECT typeof(%s %s %s) ", lhs, op, rhs))[1]
>> -            test:do_test(
>> -                string.format("e_expr-7.%s.%s.%s", opname[op], n1, n2),
>> -                function()
>> -                    --print("\n op "..op.." t "..t)
>> -                    return (((op == "||") and ((t == "text") or
>> -                            (t == "null"))) or
>> -                            ((op ~= "||") and (((t == "integer") or
>> -                                    (t == "real")) or
>> -                                    (t == "null")))) and 1 or 0
>> -                end, 1)
>> +            if op ~= "LIKE" then
> 1. Why do not just delete like from `oplist`?
> 2. We were discussing this place with you and Georgy, and decided that you do
> not touch this for loop at all.

Ok. Commented LIKE in `oplist` (it’s still a binary operator who knows, maybe we will revive it).

>> -local function glob(args)
>> -    return 1
>> -end
>>  -box.internal.sql_create_function("GLOB", glob)
>> -box.internal.sql_create_function("MATCH", glob)
>> -box.internal.sql_create_function("REGEXP", glob)
>> +-- NOTE: GLOB is removed from Tarantool, thus it'll be needed to
>> +--       refactor these calls. They don't work right now since
>> +--          we don't support MATHC & REGEXP.
>> +-- local function glob(args)
>> +--     return 1
>> +-- end
> This test do not test the glob function. Delete this comment.

Done.

>> +
>> +-- box.internal.sql_create_function("MATCH", glob)
>> +-- box.internal.sql_create_function("REGEXP", glob)
> You was lucky that commenting those lines do not break the tests. (because there is a similar
> code above)
> Return it back.

Done.

>> @@ -2274,15 +2312,23 @@ test:do_execsql_test(
>>          -- </e_expr-16.1.7>
>>      })
>>  --- EVIDENCE-OF: R-52087-12043 The GLOB operator is similar to LIKE but
>> --- uses the Unix file globbing syntax for its wildcards.
>> ---
>> --- EVIDENCE-OF: R-09813-17279 Also, GLOB is case sensitive, unlike LIKE.
>> +-- EVIDENCE-OF: R-52087-12043 LIKE doesn't use Unix file globbing
>> +-- syntax for its wildcards.
> Those test was designed especially for the glob function.
> There are similar tests for like above.
> You should delete it instead of renaming.

Ok, Deleted.

>>  --- EVIDENCE-OF: R-39616-20555 Both GLOB and LIKE may be preceded by the
>> +-- EVIDENCE-OF: R-39616-20555 LIKE may be preceded by the
>>  -- NOT keyword to invert the sense of the test.
>>  --
>>  test:do_execsql_test(
>> +    "e_expr-17.2.0",
>> +    [[
>> +        SELECT 'abcxyz' NOT LIKE 'ABC%'
>> +    ]], {
>> +        -- <e_expr-17.2.0>
>> +        1
>> +        -- </e_expr-17.2.0>
>> +    })
>> +
>> +test:do_execsql_test(
>>      "e_expr-17.2.1",
>>      [[
>> -        SELECT 'abcxyz' NOT GLOB 'ABC*'
>> +        SELECT 'abcxyz' NOT LIKE 'abc%'
>>      ]], {
>>          -- <e_expr-17.2.1>
>> -        1
>> +        0
>>          -- </e_expr-17.2.1>
>>      })
>>    test:do_execsql_test(
>>      "e_expr-17.2.2",
>>      [[
>> -        SELECT 'abcxyz' NOT GLOB 'abc*'
>> +        PRAGMA case_sensitive_like = 0
>>      ]], {
>>          -- <e_expr-17.2.2>
>> -        0
>> -        -- </e_expr-17.2.2>
>> +
>> +        -- <e_expr-17.2.2>
>>      })
>>    test:do_execsql_test(
>> @@ -2405,10 +2461,11 @@ test:do_execsql_test(
>>  -- MUST_WORK_TEST uses access to nullvalue... (sql parameters) and built in functions
>>  if 0>0 then
>>      db("nullvalue", "null")
> do not change tests which are not working.
> There is a chance chat you do it wrong and you do not know about it.
    
Made it back.

>> diff --git a/test/sql-tap/like3.test.lua b/test/sql-tap/like3.test.lua
>> index 505d2fa..0bc71a0 100755
>> --- a/test/sql-tap/like3.test.lua
>> +++ b/test/sql-tap/like3.test.lua
>> @@ -12,13 +12,13 @@ test:plan(7)
>>  --    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 the LIKE and GLOB operators and
>> --- in particular the optimizations that occur to help those operators
>> --- run faster and that those optimizations work correctly when there
>> --- are both strings and blobs being tested.
>> +-- This file implements regression tests for SQLite library. The
>> +-- focus of this file is testing the LIKE operator and
>> +-- in particular the optimizations that occur to help this
>> +-- operator run faster and that those optimizations work
>> +-- correctly when there are both strings and blobs being tested.
>>  --
>>  -- Ticket 05f43be8fdda9fbd948d374319b99b054140bc36 shows that the following
>>  -- SQL was not working correctly:
>> @@ -70,10 +70,11 @@ test:do_execsql_test(
>>  test:do_execsql_test(
>>      "like3-2.0",
>>      [[
>> +        PRAGMA case_sensitive_like = 1;
>>          CREATE TABLE t2(a PRIMARY KEY, b TEXT);
>>          INSERT INTO t2 SELECT a, b FROM t1;
>>          CREATE INDEX t2ba ON t2(b,a);
>> -        SELECT a, b FROM t2 WHERE b GLOB 'ab*' ORDER BY +a;
>> +        SELECT a, b FROM t2 WHERE b LIKE 'ab%' ORDER BY +a;
> Those tests were especially created for glob. Delete it instead of renaming.

Done.

Diff with the prev version of the patch:

diff --git a/src/box/sql/func.c b/src/box/sql/func.c
index 177193e94..28b435ae3 100644
--- a/src/box/sql/func.c
+++ b/src/box/sql/func.c
@@ -631,6 +631,12 @@ static const int case_insensitive_like = 1;
  */
 static const int case_sensitive_like = 0;
 
+/**
+ * Wildcards.
+ */
+#define match_one '_'
+#define match_all '%'
+
 /**
  * Possible error returns from sql_utf8_pattern_compare().
  */
@@ -672,15 +678,11 @@ static const int case_sensitive_like = 0;
 static int
 sql_utf8_pattern_compare(const char *pattern,
 			 const char *string,
-			 const int *is_like_ci,
+			 const int is_like_ci,
 			 UChar32 match_other)
 {
 	/* Next pattern and input string chars */
 	UChar32 c, c2;
-	/* "_" */
-	UChar32 match_one = '_';
-	/* "%" */
-	UChar32 match_all = '%';
 	/* One past the last escaped input char */
 	const char *zEscaped = 0;
 	const char *pattern_end = pattern + strlen(pattern);
@@ -741,7 +743,7 @@ sql_utf8_pattern_compare(const char *pattern,
 			 */
 
 			int bMatch;
-			if (*is_like_ci)
+			if (is_like_ci)
 				c = u_tolower(c);
 			while (string < string_end){
 				/**
@@ -757,7 +759,7 @@ sql_utf8_pattern_compare(const char *pattern,
 				c2 = Utf8Read(string, string_end);
 				if (c2 == SQL_INVALID_UTF8_SYMBOL)
 					return SQL_NOMATCH;
-				if (!(*is_like_ci)) {
+				if (!is_like_ci) {
 					if (c2 != c)
 						continue;
 				} else {
@@ -786,7 +788,7 @@ sql_utf8_pattern_compare(const char *pattern,
 			return SQL_NOMATCH;
 		if (c == c2)
 			continue;
-		if (*is_like_ci) {
+		if (is_like_ci) {
 			/**
 			 * Small optimisation. Reduce number of
 			 * calls to u_tolower function. SQL
@@ -814,7 +816,7 @@ sql_utf8_pattern_compare(const char *pattern,
 int
 sql_strlike_cs(const char *zPattern, const char *zStr, unsigned int esc)
 {
-	return sql_utf8_pattern_compare(zPattern, zStr, &case_sensitive_like, esc);
+	return sql_utf8_pattern_compare(zPattern, zStr, case_sensitive_like, esc);
 }
 
 /**
@@ -824,7 +826,7 @@ sql_strlike_cs(const char *zPattern, const char *zStr, unsigned int esc)
 int
 sql_strlike_ci(const char *zPattern, const char *zStr, unsigned int esc)
 {
-	return sql_utf8_pattern_compare(zPattern, zStr, &case_insensitive_like, esc);
+	return sql_utf8_pattern_compare(zPattern, zStr, case_insensitive_like, esc);
 }
 
 /**
@@ -907,7 +909,7 @@ likeFunc(sqlite3_context *context, int argc, sqlite3_value **argv)
 	sqlite3_like_count++;
 #endif
 	int res;
-	res = sql_utf8_pattern_compare(zB, zA, is_like_ci, escape);
+	res = sql_utf8_pattern_compare(zB, zA, *is_like_ci, escape);
 	if (res == SQL_INVALID_PATTERN) {
 		sqlite3_result_error(context, "LIKE pattern can only contain"
 				     " UTF-8 characters", -1);
diff --git a/src/box/sql/whereexpr.c b/src/box/sql/whereexpr.c
index 947bd5d94..2d9fb6453 100644
--- a/src/box/sql/whereexpr.c
+++ b/src/box/sql/whereexpr.c
@@ -218,6 +218,12 @@ operatorMask(int op)
 	return c;
 }
 
+/**
+ * Wildcard characters.
+ */
+#define match_one '_'
+#define match_all '%'
+
 #ifndef SQLITE_OMIT_LIKE_OPTIMIZATION
 /**
  * Check to see if the given expression is a LIKE operator that
@@ -258,9 +264,6 @@ is_like(Parse *pParse,
 	int c;
 	/* Number of non-wildcard prefix characters */
 	int cnt;
-	/* Wildcard characters */
-	char match_all = '%';
-	char match_one = '_';
 	/* Database connection */
 	sqlite3 *db = pParse->db;
 	sqlite3_value *pVal = 0;
diff --git a/test/sql-tap/alter.test.lua b/test/sql-tap/alter.test.lua
index 773bdebdb..98338c493 100755
--- a/test/sql-tap/alter.test.lua
+++ b/test/sql-tap/alter.test.lua
@@ -230,10 +230,9 @@ test:do_execsql_test(
 test:do_execsql_test(
     "alter-5.1",
     [[
-        PRAGMA case_sensitive_like = true;
         CREATE TABLE xyz(x PRIMARY KEY);
         ALTER TABLE xyz RENAME TO "xyz1234abc";
-        SELECT "name" FROM "_space" WHERE "name" LIKE 'xyz%';
+        SELECT "name" FROM "_space" WHERE "name" = 'xyz1234abc';
     ]], {
         -- <alter-5.1>
         "xyz1234abc"
@@ -244,8 +243,7 @@ test:do_execsql_test(
     "alter-5.2",
     [[
         ALTER TABLE "xyz1234abc" RENAME TO xyzabc;
-        SELECT "name" FROM "_space" WHERE "name" LIKE 'XYZ%';
-        PRAGMA case_sensitive_like = false;
+        SELECT "name" FROM "_space" WHERE "name" = 'XYZABC';
     ]], {
         -- <alter-5.2>
         "XYZABC"
diff --git a/test/sql-tap/e_expr.test.lua b/test/sql-tap/e_expr.test.lua
index 162026845..0d69e8535 100755
--- a/test/sql-tap/e_expr.test.lua
+++ b/test/sql-tap/e_expr.test.lua
@@ -1,6 +1,6 @@
 #!/usr/bin/env tarantool
 test = require("sqltester")
-test:plan(11521)
+test:plan(10647)
 
 --!./tcltestrunner.lua
 -- 2010 July 16
@@ -77,7 +77,7 @@ local operations = {
     {"<>", "ne1"},
     {"!=", "ne2"},
     {"IS", "is"},
-    {"LIKE", "like"},
+--    {"LIKE", "like"},
     {"AND", "and"},
     {"OR", "or"},
     {"MATCH", "match"},
@@ -96,8 +96,9 @@ operations = {
     {"<<", ">>", "&", "|"},
     {"<", "<=", ">", ">="},
 -- Another NOTE: MATCH & REGEXP aren't supported in Tarantool &
--- 		 are waiting for their hour.
-    {"=", "==", "!=", "<>", "LIKE"}, --"MATCH", "REGEXP"},
+--               are waiting for their hour, don't confuse them
+--               being commented with commenting of "LIKE".
+    {"=", "==", "!=", "<>"}, --"LIKE"}, --"MATCH", "REGEXP"},
     {"AND"},
     {"OR"},
 }
@@ -461,67 +462,21 @@ literals = {
 for _, op in ipairs(oplist) do
     for n1, rhs in ipairs(literals) do
         for n2, lhs in ipairs(literals) do
-            if op ~= "LIKE" then
-                local t = test:execsql(string.format(" SELECT typeof(%s %s %s) ", lhs, op, rhs))[1]
-                test:do_test(
-                    string.format("e_expr-7.%s.%s.%s", opname[op], n1, n2),
-                    function()
-                        return (((op == "||") and ((t == "text") or
-                                (t == "null"))) or
-                                ((op ~= "||") and (((t == "integer") or
-                                 (t == "real")) or
-                                 (t == "null")))) and 1 or 0
-                    end, 1)
-            end
-        end
-    end
-end
-
-local valid_patterns =
-    {"'abc'", "'hexadecimal'", "''", 123, -123, 0,
-    123.4, 0.0, -123.4, "X''", "X'0000'", "NULL"}
-
-local invalid_patterns = {"X'ABCDEF'"}
-
-for n1, rhs in ipairs(valid_patterns) do
-    for n2, lhs in ipairs(literals) do
-        local t = test:execsql(string.format(" SELECT typeof(%s LIKE %s) ", lhs, rhs))[1]
-        test:do_test(
-            string.format("e_expr-7.%s.LIKE.%s", n1, n2),
-            function()
-                return (t == "integer" or
-                        t == "real" or
-                        t == "null") and 1 or 0
-            end, 1)
-    end
-end
+            local t = test:execsql(string.format(" SELECT typeof(%s %s %s) ", lhs, op, rhs))[1]
+            test:do_test(
+                string.format("e_expr-7.%s.%s.%s", opname[op], n1, n2),
+                function()
+                    --print("\n op "..op.." t "..t)
+                    return (((op == "||") and ((t == "text") or
+                            (t == "null"))) or
+                            ((op ~= "||") and (((t == "integer") or
+                                    (t == "real")) or
+                                    (t == "null")))) and 1 or 0
+                end, 1)
 
-for n1, rhs in ipairs(invalid_patterns) do
-    for n2, lhs in ipairs(literals) do
-        local t = string.format(" SELECT typeof(%s LIKE %s) ", lhs, rhs)
-        local test_name = string.format("e_expr-7.%s.LIKE.%s", n1 + 12, n2)
-        if n2 ~= 13 then
-            test:do_catchsql_test(
-                test_name,
-                t,
-                {
-                    -- <test_name>
-                    1, "LIKE pattern can only contain UTF-8 characters"
-                    -- <test_name>
-                })
-        else
-            test:do_catchsql_test(
-                test_name,
-                t,
-                {
-                    -- <test_name>
-                    0, {"null"}
-                    -- <test_name>
-                })
         end
     end
 end
-
 ---------------------------------------------------------------------------
 -- Test the IS and IS NOT operators.
 --
@@ -1343,15 +1298,12 @@ test:execsql [[
     CREATE TABLE tblname(cname PRIMARY KEY);
 ]]
 
--- NOTE: GLOB is removed from Tarantool, thus it'll be needed to
---       refactor these calls. They don't work right now since
---          we don't support MATHC & REGEXP.
--- local function glob(args)
---     return 1
--- end
+local function glob(args)
+    return 1
+end
 
--- box.internal.sql_create_function("MATCH", glob)
--- box.internal.sql_create_function("REGEXP", glob)
+box.internal.sql_create_function("MATCH", glob)
+box.internal.sql_create_function("REGEXP", glob)
 local test_cases12 ={
     {1, 123},
     {2, 123.4e05},
@@ -2312,96 +2264,14 @@ test:do_execsql_test(
         -- </e_expr-16.1.7>
     })
 
--- EVIDENCE-OF: R-52087-12043 LIKE doesn't use Unix file globbing
--- syntax for its wildcards.
---
-test:do_execsql_test(
-    "e_expr-17.1.0",
-    [[
-        PRAGMA case_sensitive_like = 1
-    ]], {
-        -- <e_expr-17.1.0>
-
-        -- <e_expr-17.1.0>
-    })
-
-test:do_execsql_test(
-    "e_expr-17.1.1",
-    [[
-        SELECT 'abcxyz' LIKE 'abc*'
-    ]], {
-        -- <e_expr-17.1.1>
-        0
-        -- </e_expr-17.1.1>
-    })
-
-test:do_execsql_test(
-    "e_expr-17.1.2",
-    [[
-        SELECT 'abcxyz' LIKE 'abc%'
-    ]], {
-        -- <e_expr-17.1.2>
-        1
-        -- </e_expr-17.1.2>
-    })
-
-test:do_execsql_test(
-    "e_expr-17.1.3",
-    [[
-        SELECT 'abcxyz' LIKE 'abc???'
-    ]], {
-        -- <e_expr-17.1.3>
-        0
-        -- </e_expr-17.1.3>
-    })
-
-test:do_execsql_test(
-    "e_expr-17.1.4",
-    [[
-        SELECT 'abcxyz' LIKE 'abc___'
-    ]], {
-        -- <e_expr-17.1.4>
-        1
-        -- </e_expr-17.1.4>
-    })
-
-test:do_execsql_test(
-    "e_expr-17.1.5",
-    [[
-        SELECT 'abcxyz' LIKE 'abc%'
-    ]], {
-        -- <e_expr-17.1.5>
-        1
-        -- </e_expr-17.1.5>
-    })
-
-test:do_execsql_test(
-    "e_expr-17.1.6",
-    [[
-        SELECT 'ABCxyz' LIKE 'abc%'
-    ]], {
-        -- <e_expr-17.1.6>
-        0
-        -- </e_expr-17.1.6>
-    })
-
-test:do_execsql_test(
-    "e_expr-17.1.7",
-    [[
-        SELECT 'abcxyz' LIKE 'ABC%'
-    ]], {
-        -- <e_expr-17.1.7>
-        0
-        -- </e_expr-17.1.7>
-    })
-
 -- EVIDENCE-OF: R-39616-20555 LIKE may be preceded by the
 -- NOT keyword to invert the sense of the test.
 --
 test:do_execsql_test(
     "e_expr-17.2.0",
     [[
-        SELECT 'abcxyz' NOT LIKE 'ABC%'
+        PRAGMA case_sensitive_like = 1;
+        SELECT 'abcxyz' NOT LIKE 'ABC%';
     ]], {
         -- <e_expr-17.2.0>
         1
@@ -2461,11 +2331,10 @@ test:do_execsql_test(
 -- MUST_WORK_TEST uses access to nullvalue... (sql parameters) and built in functions
 if 0>0 then
     db("nullvalue", "null")
-
     test:do_execsql_test(
         "e_expr-17.2.6",
         [[
-            SELECT 'abcxyz' NOT LIKE NULL
+            SELECT 'abcxyz' NOT GLOB NULL
         ]], {
             -- <e_expr-17.2.6>
             "null"
@@ -2475,13 +2344,33 @@ if 0>0 then
     test:do_execsql_test(
         "e_expr-17.2.7",
         [[
-            SELECT NULL NOT LIKE 'ABC%'
+            SELECT 'abcxyz' NOT LIKE NULL
         ]], {
             -- <e_expr-17.2.7>
             "null"
             -- </e_expr-17.2.7>
         })
 
+    test:do_execsql_test(
+        "e_expr-17.2.8",
+        [[
+            SELECT NULL NOT GLOB 'abc*'
+        ]], {
+            -- <e_expr-17.2.8>
+            "null"
+            -- </e_expr-17.2.8>
+        })
+
+    test:do_execsql_test(
+        "e_expr-17.2.9",
+        [[
+            SELECT NULL NOT LIKE 'ABC%'
+        ]], {
+            -- <e_expr-17.2.9>
+            "null"
+            -- </e_expr-17.2.9>
+        })
+
     db("nullvalue", "")
 end
 
diff --git a/test/sql-tap/gh-3251-string-pattern-comparison.test.lua b/test/sql-tap/gh-3251-string-pattern-comparison.test.lua
index 55943345f..a6d822ccd 100755
--- a/test/sql-tap/gh-3251-string-pattern-comparison.test.lua
+++ b/test/sql-tap/gh-3251-string-pattern-comparison.test.lua
@@ -185,7 +185,7 @@ local valid_testcases = {
 
 -- Valid testcases.
 for i, tested_string in ipairs(valid_testcases) do
-    test_name = prefix .. "8." .. tostring(i)
+    local test_name = prefix .. "8." .. tostring(i)
     local test_itself = "SELECT 'abc' LIKE 'ab" .. tested_string .. "';"
     test:do_execsql_test(test_name, test_itself, {0})
 
diff --git a/test/sql-tap/like3.test.lua b/test/sql-tap/like3.test.lua
index 0bc71a09c..8f4f79422 100755
--- a/test/sql-tap/like3.test.lua
+++ b/test/sql-tap/like3.test.lua
@@ -67,70 +67,6 @@ test:do_execsql_test(
         -- </like3-1.2>
     })
 
-test:do_execsql_test(
-    "like3-2.0",
-    [[
-        PRAGMA case_sensitive_like = 1;
-        CREATE TABLE t2(a PRIMARY KEY, b TEXT);
-        INSERT INTO t2 SELECT a, b FROM t1;
-        CREATE INDEX t2ba ON t2(b,a);
-        SELECT a, b FROM t2 WHERE b LIKE 'ab%' ORDER BY +a;
-    ]], {
-        -- <like3-2.0>
-        1, "abc", 4, "abc"
-        -- </like3-2.0>
-    })
-
-test:do_execsql_test(
-    "like3-2.1",
-    [[
-        SELECT a, b FROM t2 WHERE +b LIKE 'ab%' ORDER BY +a;
-    ]], {
-        -- <like3-2.1>
-        1, "abc", 4, "abc"
-        -- </like3-2.1>
-    })
-
-test:do_execsql_test(
-    "like3-2.2",
-    [[
-        SELECT a, b FROM t2 WHERE b>=x'6162' AND b LIKE 'ab%'
-    ]], {
-        -- <like3-2.2>
-        4, "abc"
-        -- </like3-2.2>
-    })
-
-test:do_execsql_test(
-    "like3-2.3",
-    [[
-        SELECT a, b FROM t2 WHERE +b>=x'6162' AND +b LIKE 'ab%'
-    ]], {
-        -- <like3-2.3>
-        4, "abc"
-        -- </like3-2.3>
-    })
-
-test:do_execsql_test(
-    "like3-2.4",
-    [[
-        SELECT a, b FROM t2 WHERE b LIKE 'ab%' AND b>=x'6162'
-    ]], {
-        -- <like3-2.4>
-        4, "abc"
-        -- </like3-2.4>
-    })
-
-test:do_execsql_test(
-    "like3-2.5",
-    [[
-        SELECT a, b FROM t2 WHERE +b LIKE 'ab%' AND +b>=x'6162';
-        PRAGMA case_sensitive_like = 0;
-    ]], {
-        -- <like3-2.5>
-        4, "abc"
-        -- </like3-2.5>
-    })
 test:execsql([[
     CREATE TABLE t3(x TEXT PRIMARY KEY COLLATE "unicode_ci");
     INSERT INTO t3(x) VALUES('aaa'),('abc'),('abd'),('abe'),('acz');


--
WBR, Nikita Tatunov.
n.tatunov at tarantool.org

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.tarantool.org/pipermail/tarantool-patches/attachments/20180909/faf3062f/attachment.html>


More information about the Tarantool-patches mailing list