071caf940e
plan: support pushing agg across projection. ( #2156 )
2016-12-02 22:56:25 +08:00
5738e7fc18
plan: support pushing agg past union all. ( #2150 )
2016-12-02 18:16:51 +08:00
d1b5f05a88
plan: Fix date_format type infer ( #2152 )
...
See: http://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_date-format
2016-12-02 14:21:48 +08:00
850b29e98b
plan: update gby cols for pushed agg. ( #2145 )
2016-12-01 19:23:14 +08:00
ad30a5b18f
plan: fix the value of attribute correlated of HashAgg ( #2140 )
2016-12-01 11:31:36 +08:00
0b828d46f8
*: add context in baseplan, extract constant folder. ( #2135 )
2016-12-01 00:17:55 +08:00
33dc01f564
plan: fix panic when explain ( #2136 )
2016-11-30 19:12:33 +08:00
b09f97d1f4
plan/validator: add grammar check of constraints when create table ( #2129 )
2016-11-29 20:25:54 +08:00
ebfcd3df92
validator: check duplicate key cols when create table ( #2123 )
2016-11-29 15:58:55 +08:00
ebcf494e69
plan: cut unuseful search branch to improve performence. ( #2124 )
2016-11-29 15:00:09 +08:00
5230f5eabd
variable: define StatementContext. ( #2121 )
...
StatementContext is used to hold statement execution mode and state.
As every computation need this, there are many API changes.
2016-11-29 14:25:38 +08:00
e0c9aa71f2
plan: fix a resolve bug. ( #2113 )
2016-11-29 12:03:18 +08:00
743e58772c
plan: remove unnecessary log ( #2117 )
2016-11-29 08:26:21 +08:00
2c34a75aba
ddl: check duplicated cols when execute alter table add index ( #2103 )
2016-11-28 15:06:17 +08:00
3c349259e4
*: basic support for builtin function STR_TO_DATE ( #2078 )
2016-11-28 14:17:32 +08:00
36f0f307a8
parser: support show events ( #2099 )
...
* parser: support show events
2016-11-27 22:49:49 +08:00
f0db619009
*: refactor constant propagation. ( #2087 )
2016-11-27 16:21:12 +08:00
ea894e8b77
*: Add a function GenByArgs for Error ( #2033 )
...
*: Add a function GenByArgs for Error
2016-11-27 13:18:43 +08:00
2225c90857
plan: process in subquery correctly. ( #2093 )
...
* plan: process in subquery correctly.
2016-11-25 19:03:06 +08:00
9de3e70b6b
plan: handle the missing err to avoid panic. ( #2096 )
2016-11-25 16:28:42 +08:00
73f2ffad90
varsutil: remove dependency on 'types' for 'variable' package ( #2095 )
...
* varsutil: remove dependency on 'types' for 'variable' package
'variable' package will be used in 'types', remove dependency on 'types' by
moving functions to a new 'varsutil' package.
Also extract 'SetExec' from 'SimpleExec'
2016-11-25 13:44:49 +08:00
13ba6e1989
plan: refine code for not between. ( #2076 )
2016-11-25 11:38:29 +08:00
440abb21f2
plan: set apply's innerplan be the second child of it. ( #2092 )
2016-11-25 11:07:41 +08:00
b19cc75a94
mysql, types: move MyDecimal and Time from 'mysql' to 'types' package. ( #2082 )
...
So we don't need to handle sql mode in 'mysql' package, avoid potential dependency cycle.
2016-11-24 10:50:31 +08:00
7a8c3c32a7
distsql: push nullif down ( #2068 )
...
* distsql: support pushing nullif down
2016-11-23 20:46:54 +08:00
d179a84610
plan: correct enforcer's correlated attribute. ( #2079 )
2016-11-23 20:04:23 +08:00
2a3426ca9d
*: make explain result more clearly. ( #2063 )
2016-11-23 18:58:12 +08:00
3683d5f950
plan & expression: split the logic of column pruning and indices resolving. ( #2051 )
2016-11-23 18:01:27 +08:00
23136f8e0f
distsql: push ifnull down ( #2067 )
2016-11-23 17:35:30 +08:00
79a8c3fc8d
plan: add a Cache plan in physical plan ( #2052 )
...
plan: add Cache plan
* format code
* tiny change
* optimize the logic of code
* rename some variable and optimize logic
* move e.cursor++ down
2016-11-23 15:53:44 +08:00
0af8520a78
sessionctx/variable: remove dependency on context package. ( #2064 )
...
Makes using session variable easier and faster.
Prepare for use session variable to handle data truncated error.
2016-11-23 14:39:48 +08:00
951f88294d
distsql: support pushing isnull down ( #2069 )
2016-11-23 11:35:53 +08:00
af5b0e71fc
infoschema: implement infoschema table. ( #2034 )
...
Creates a information schema specific table that implements table.Table interface.
The rows in this table is generated by `[]*model.DBInfo` on request.
Further reduce memory allocation.
2016-11-21 19:47:41 +08:00
d7318e72bd
plan: distinguish the physical plan test and logical plan test. ( #2042 )
2016-11-21 14:20:52 +08:00
8fa03ee0ab
plan: process wildstar correctly. ( #2038 )
2016-11-20 21:02:29 +08:00
eafda5ee61
plan: remove old validator logic ( #2013 )
2016-11-18 13:24:20 +08:00
2f1cd5be00
plan: make explain result more explicit ( #2022 )
2016-11-17 18:05:18 +08:00
fdb74960a4
add a new expression type: Correlated Column. ( #1973 )
2016-11-17 12:42:12 +08:00
2a07230c46
Merge branch 'master' into hanfei/clean
2016-11-15 12:47:25 +08:00
421ceeb8fa
*: make golint happy.
2016-11-15 11:12:24 +08:00
70846fb43c
clean useless code.
2016-11-14 18:36:57 +08:00
de1714845d
plan: adjust index cost calculation algorithm. ( #1975 )
2016-11-10 15:56:22 +08:00
cbf024e8f7
*: clean code. ( #1987 )
2016-11-10 15:38:22 +08:00
e17644716d
refactor show clause. ( #1940 )
2016-11-10 11:14:37 +08:00
5d3bb33afd
util/types: fix decimal conversion. ( #1979 )
...
When datum converts to decimal, we should check the Flen and Decimal of
the given field type, return max value for overflow and round the value
for truncation.
2016-11-09 16:53:30 +08:00
9946941089
plan: add the missing filer conditions ( #1977 )
2016-11-09 10:12:37 +08:00
c12a53fd9e
plan: fix a panic bug when involved join and order by. ( #1963 )
2016-11-08 16:11:10 +08:00
f40b9f284c
plan: consider multiple in expressions when calculating range. ( #1961 )
2016-11-08 15:44:29 +08:00
2e8941aa4d
plan: adjust cost factor to make right agg plan. ( #1962 )
2016-11-08 14:18:44 +08:00
af514c8bda
support pushing if down to kv ( #1947 )
2016-11-07 22:26:22 +08:00
