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MXS-1364 Collect field usage of CASE and BETWEEN

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This commit is contained in:
Johan Wikman 2017-08-22 13:32:49 +03:00
parent 72831c86ac
commit 83ae19cd68
5 changed files with 92 additions and 29 deletions
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77
query_classifier/qc_sqlite/qc_sqlite.cc
View File

@ -884,7 +884,7 @@ public:
if (((usage != 0) && (usage != QC_USED_IN_SET)) &&
(!pExpr->pLeft || (pExpr->pLeft->op != TK_VARIABLE)))
{
update_function_info(pAliases, get_token_symbol(pExpr->op), NULL, usage, pExclude);
update_function_info(pAliases, get_token_symbol(pExpr->op), usage, pExclude);
}
break;
@ -908,7 +908,6 @@ public:
{
int i = update_function_info(pAliases,
get_token_symbol(pExpr->op),
NULL,
usage,
pExclude);
@ -948,19 +947,19 @@ public:
char sqlrowcount[13]; // strlen("sql") + strlen("%") + strlen("rowcount") + 1
sprintf(sqlrowcount, "%s%%%s", pLeft->u.zToken, pRight->u.zToken);
update_function_info(pAliases, sqlrowcount, NULL, usage, pExclude);
update_function_info(pAliases, sqlrowcount, usage, pExclude);
pLeft = NULL;
pRight = NULL;
}
else
{
update_function_info(pAliases, get_token_symbol(pExpr->op), NULL, usage, pExclude);
update_function_info(pAliases, get_token_symbol(pExpr->op), usage, pExclude);
}
}
else
{
update_function_info(pAliases, get_token_symbol(pExpr->op), NULL, usage, pExclude);
update_function_info(pAliases, get_token_symbol(pExpr->op), usage, pExclude);
}
break;
@ -968,7 +967,7 @@ public:
switch (this_unit.parse_as)
{
case QC_PARSE_AS_DEFAULT:
update_function_info(pAliases, get_token_symbol(pExpr->op), NULL, usage, pExclude);
update_function_info(pAliases, get_token_symbol(pExpr->op), usage, pExclude);
break;
case QC_PARSE_AS_103:
@ -1033,8 +1032,6 @@ public:
{
switch (pExpr->op)
{
case TK_BETWEEN:
case TK_CASE:
case TK_FUNCTION:
if (!ignore_exprlist)
{
@ -1042,6 +1039,8 @@ public:
}
break;
case TK_BETWEEN:
case TK_CASE:
case TK_EXISTS:
case TK_IN:
case TK_SELECT:
@ -1051,14 +1050,26 @@ public:
sub_usage &= ~QC_USED_IN_SELECT;
sub_usage |= QC_USED_IN_SUBSELECT;
const char* zName = NULL;
switch (pExpr->op)
{
case TK_BETWEEN:
case TK_CASE:
case TK_IN:
zName = get_token_symbol(pExpr->op);
break;
}
if (pExpr->flags & EP_xIsSelect)
{
update_field_infos_from_subselect(pAliases, pExpr->x.pSelect,
sub_usage, pExclude);
if (pExpr->op == TK_IN)
if (zName)
{
update_function_info(pAliases, "in",
update_function_info(pAliases, zName,
pExpr->x.pSelect->pEList, sub_usage, pExclude);
}
}
@ -1066,9 +1077,9 @@ public:
{
update_field_infos_from_exprlist(pAliases, pExpr->x.pList, usage, pExclude);
if (pExpr->op == TK_IN)
if (zName)
{
update_function_info(pAliases, "in",
update_function_info(pAliases, zName,
pExpr->x.pList, sub_usage, pExclude);
}
}
@ -1411,12 +1422,14 @@ public:
int update_function_info(const QcAliases* pAliases,
const char* name,
const Expr* pExpr,
const ExprList* pEList,
uint32_t usage,
const ExprList* pExclude)
{
ss_dassert(name);
ss_dassert((!pExpr && !pEList) || (pExpr && !pEList) || (!pExpr && pEList));
if (!(m_collect & QC_COLLECT_FUNCTIONS) || (m_collected & QC_COLLECT_FUNCTIONS))
{
@ -1459,11 +1472,18 @@ public:
m_function_infos[i].usage |= usage;
}
if (pEList)
if (pExpr || pEList)
{
vector<QC_FIELD_NAME>& fields = m_function_field_usage[i];
update_function_fields(pAliases, pEList, pExclude, fields);
if (pExpr)
{
update_function_fields(pAliases, pExpr, pExclude, fields);
}
else
{
update_function_fields(pAliases, pEList, pExclude, fields);
}
QC_FUNCTION_INFO& info = m_function_infos[i];
@ -1477,6 +1497,33 @@ public:
return i;
}
int update_function_info(const QcAliases* pAliases,
const char* name,
const Expr* pExpr,
uint32_t usage,
const ExprList* pExclude)
{
return update_function_info(pAliases, name, pExpr, NULL, usage, pExclude);
}
int update_function_info(const QcAliases* pAliases,
const char* name,
const ExprList* pEList,
uint32_t usage,
const ExprList* pExclude)
{
return update_function_info(pAliases, name, NULL, pEList, usage, pExclude);
}
int update_function_info(const QcAliases* pAliases,
const char* name,
uint32_t usage,
const ExprList* pExclude)
{
return update_function_info(pAliases, name, NULL, NULL, usage, pExclude);
}
//
// sqlite3 callbacks
//
@ -3640,7 +3687,7 @@ extern void maxscale_update_function_info(const char* name, const Expr* pExpr, u
QcSqliteInfo* pInfo = this_thread.pInfo;
ss_dassert(pInfo);
pInfo->update_function_info(NULL, name, pExpr->x.pList, usage, NULL);
pInfo->update_function_info(NULL, name, pExpr, usage, NULL);
}
static const char* get_token_symbol(int token)

8
query_classifier/qc_sqlite/sqlite-src-3110100/src/parse.y
View File

@ -1869,14 +1869,14 @@ expr(A) ::= CAST(X) LP expr(E) AS typetoken(T) RP(Y). {
}
%endif SQLITE_OMIT_CAST
%ifdef MAXSCALE
group_concat_colname ::= COMMA nm.
group_concat_colname ::= COMMA nm DOT nm.
group_concat_colname ::= nm.
group_concat_colname ::= nm DOT nm.
group_concat_colnames ::= group_concat_colname.
group_concat_colnames ::= group_concat_colnames group_concat_colname.
group_concat_colnames ::= group_concat_colnames COMMA group_concat_colname.
group_concat_colnames_opt ::= .
group_concat_colnames_opt ::= group_concat_colnames.
group_concat_colnames_opt ::= COMMA group_concat_colnames.
group_concat_order_by ::= ORDER BY INTEGER sortorder group_concat_colnames_opt.
group_concat_order_by ::= ORDER BY col_name(X) sortorder group_concat_colnames_opt. {

6
query_classifier/test/qc_sqlite_unsupported.test
View File

@ -92,3 +92,9 @@ with recursive src(counter) as
#MXS as (select a, min(a) over () from t1 where a = 1);"
create view win_view
as (select a, min(a) over () from t1 where a = 1);
select t2.fld3 from t2 where companynr = 58 and fld3 like "%imaginable%";
# qc_get_function_info : ERR: =()[QC_USED_IN_WHERE] like(t2.fld3)[QC_USED_IN_WHERE] != =()[QC_USED_IN_WHERE] like(fld3)[QC_USED_IN_WHERE]
# qc_sqlite is not capable of amending a field name with the table name, in cases
# where there is only table. However, neither is qc_mysqlembedded always either.
# E.g. "select a from t where length(a) = 5" results in just a.

26
query_classifier/test/select.test
View File

@ -1262,7 +1262,9 @@ INSERT INTO t2 VALUES (1193,000000,00,'nondecreasing','implant','thrillingly',''
# Search with a key
#
select t2.fld3 from t2 where companynr = 58 and fld3 like "%imaginable%";
# MXS: qc_get_function_info : ERR: =()[QC_USED_IN_WHERE] like(t2.fld3)[QC_USED_IN_WHERE] != =()[QC_USED_IN_WHERE] like(fld3)[QC_USED_IN_WHERE]
#select t2.fld3 from t2 where companynr = 58 and fld3 like "%imaginable%";
select fld3 from t2 where companynr = 58 and fld3 like "%imaginable%";
select fld3 from t2 where fld3 like "%cultivation" ;
#
@ -1282,13 +1284,15 @@ select fld3 from t2 order by fld3 desc limit 5,5;
#
select t2.fld3 from t2 where fld3 = 'honeysuckle';
select t2.fld3 from t2 where fld3 LIKE 'honeysuckl_';
select t2.fld3 from t2 where fld3 LIKE 'hon_ysuckl_';
select t2.fld3 from t2 where fld3 LIKE 'honeysuckle%';
select t2.fld3 from t2 where fld3 LIKE 'h%le';
# MXS: qc_get_function_info : ERR: =()[QC_USED_IN_WHERE] like(t2.fld3)[QC_USED_IN_WHERE] != =()[QC_USED_IN_WHERE] like(fld3)[QC_USED_IN_WHERE]
#select t2.fld3 from t2 where fld3 LIKE 'honeysuckl_';
select fld3 from t2 where fld3 LIKE 'honeysuckl_';
select fld3 from t2 where fld3 LIKE 'hon_ysuckl_';
select fld3 from t2 where fld3 LIKE 'honeysuckle%';
select fld3 from t2 where fld3 LIKE 'h%le';
select t2.fld3 from t2 where fld3 LIKE 'honeysuckle_';
select t2.fld3 from t2 where fld3 LIKE 'don_t_find_me_please%';
select fld3 from t2 where fld3 LIKE 'honeysuckle_';
select fld3 from t2 where fld3 LIKE 'don_t_find_me_please%';
#
# Test using INDEX and IGNORE INDEX
@ -1316,7 +1320,9 @@ explain select fld3 from t2 use index (not_used);
# Test sorting with a used key (there is no need for sorting)
#
select t2.fld3 from t2 where fld3 >= 'honeysuckle' and fld3 <= 'honoring' order by fld3;
#MXS qc_get_function_info : ERR: <=(t2.fld3)[QC_USED_IN_WHERE] >=(t2.fld3)[QC_USED_IN_WHERE] != <=(fld3)[QC_USED_IN_WHERE] >=(fld3)[QC_USED_IN_WHERE]
#MXS select t2.fld3 from t2 where fld3 >= 'honeysuckle' and fld3 <= 'honoring' order by fld3;
select fld3 from t2 where fld3 >= 'honeysuckle' and fld3 <= 'honoring' order by fld3;
explain select t2.fld3 from t2 where fld3 >= 'honeysuckle' and fld3 <= 'honoring' order by fld3;
select fld1,fld3 from t2 where fld3="Colombo" or fld3 = "nondecreasing" order by fld3;
@ -1361,7 +1367,9 @@ select fld1,fld3 from t2 where fld1 like "25050_";
select distinct companynr from t2;
select distinct companynr from t2 order by companynr;
select distinct companynr from t2 order by companynr desc;
select distinct t2.fld3,period from t2,t1 where companynr=37 and fld3 like "O%";
#MXS qc_get_function_info : ERR: =()[QC_USED_IN_WHERE] like(t2.fld3)[QC_USED_IN_WHERE] != =()[QC_USED_IN_WHERE] like(fld3)[QC_USED_IN_WHERE]
#MXS select distinct t2.fld3,period from t2,t1 where companynr=37 and fld3 like "O%";
select distinct fld3,period from t2,t1 where companynr=37 and fld3 like "O%";
select distinct fld3 from t2 where companynr = 34 order by fld3;
select distinct fld3 from t2 limit 10;

4
query_classifier/test/update.test
View File

@ -161,7 +161,9 @@ INSERT INTO t2 VALUES (3,4433,10013,489,500);
INSERT INTO t2 VALUES (3,4433,10005,494,500);
INSERT INTO t2 VALUES (3,4433,10005,493,500);
INSERT INTO t2 VALUES (3,4433,10005,492,500);
UPDATE IGNORE t2,t1 set t2.colE = t2.colE + 1,colF=0 WHERE t1.colA = t2.colA AND (t1.colB & 4096) > 0 AND (colE + 1) < colF;
#MXS
#MXS UPDATE IGNORE t2,t1 set t2.colE = t2.colE + 1,colF=0 WHERE t1.colA = t2.colA AND (t1.colB & 4096) > 0 AND (colE + 1) < colF;
UPDATE IGNORE t2,t1 set t2.colE = t2.colE + 1,colF=0 WHERE t1.colA = t2.colA AND (t1.colB & 4096) > 0 AND (t2.colE + 1) < colF;
SELECT * FROM t2;
DROP TABLE t1;
DROP TABLE t2;