2a3426ca9d
*: make explain result more clearly. ( #2063 )
2016-11-23 18:58:12 +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
8b070e03ff
executor: fix ci. ( #2058 )
2016-11-22 16:26:28 +08:00
7e041d2cba
expression: let first_row get the first value no matter if it's null ( #2057 )
2016-11-22 16:07:14 +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
91050ff1f8
parser: parse decimal literal instead of float literal ( #2044 )
...
Improves MySQL compatibility.
2016-11-21 19:29:25 +08:00
6dc49a736c
executor: remove filter exec. ( #2037 )
2016-11-20 13:48:46 +08:00
6748d3e83e
*: add comment for show table status. ( #2032 )
2016-11-18 19:10:25 +08:00
39a2c09542
executor_test: clean enviroment for each test. ( #2025 )
2016-11-18 16:45:13 +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
7ddb150920
executor: add more statements for metric of statement counter ( #1967 )
2016-11-15 14:34:15 +08:00
421ceeb8fa
*: make golint happy.
2016-11-15 11:12:24 +08:00
5b21b001da
executor: when we fetch 100000 records from index scan, log it. ( #1990 )
2016-11-14 13:16:22 +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
1056c56df1
ddl: support modify column ( #1930 )
...
* ddl: support modify column
2016-11-08 15:20:41 +08:00
b5cd34aea7
executor: fix show create table null timestamp. ( #1968 )
...
Without the extra 'NULL', the create table statement would fail to execute.
2016-11-07 21:17:59 +08:00
5044a8782f
plan: recollect gby cols after retriving index. ( #1966 )
...
* plan: recollect gby cols after retrieving index.
2016-11-07 18:52:41 +08:00
88a66a57ea
*: Improve test for push down. ( #1927 )
2016-11-07 11:42:05 +08:00
1c6c145f94
*: Set custom verbose flag to true ( #1956 )
...
* *: set custom verbose flag to true
* *: update .gitignore
2016-11-05 18:00:13 +08:00
40ad2ba4cb
executor: Load data ignore default value is nil and add log ( #1953 )
...
* executor: load data ignore default value is nil and add log
2016-11-05 16:35:44 +08:00
1f1a60c02a
*: improve log ( #1944 )
...
Add logging for set system variable.
Add connection ID in log.
Adjust some log level.
Improve readability.
2016-11-04 17:11:10 +08:00
85c0954dc2
support builtin function from_unixtime ( #1929 )
2016-11-04 13:15:55 +08:00
5d1a069ada
executor: set scanConcurrency varialbe for distsql Executor on building. ( #1943 )
...
Prevent worker goroutines from reading session variable map, Fixes race.
2016-11-04 09:46:00 +08:00
bfc1ca679a
tidb: load and apply common global variables for the session ( #1942 )
...
Fixes a bug some global variables like 'sql_mode' not applied to session.
2016-11-03 22:01:15 +08:00
035666f231
plan: add cast function for PatternInExpr. ( #1932 )
2016-11-03 15:40:58 +08:00
693eada753
plan: fix cost calculate bug. ( #1933 )
...
* plan: fix cost calculate bug.
2016-11-03 12:34:34 +08:00
c74c4f80fd
*: Fix bug in show create table ( #1924 )
...
Fix https://github.com/pingcap/tidb/issues/1918
2016-11-02 15:25:12 +08:00
3bcb4bedd8
executor: let union_scan executor use its own schema. ( #1925 )
2016-11-02 13:26:11 +08:00
8500a629de
plan: fix bug when outer join's condition is false ( #1923 )
2016-11-01 22:46:31 +08:00
76f420595b
*:support aggregate function push cross outer join. ( #1899 )
2016-11-01 17:59:12 +08:00
154d7f0c87
plan: fix a panic bug. ( #1914 )
2016-11-01 14:38:14 +08:00
2e79d3f305
executor: Make show create database result the same with mysql ( #1915 )
2016-11-01 13:43:21 +08:00
5ee84a7a9a
*: support show create db ( #1911 )
2016-11-01 13:11:18 +08:00
bf9de5ccee
executor: avoid create new domain in test. ( #1910 )
...
A store should has only one domain, and it is already created when create a session.
we should not manually create domain.
2016-10-31 19:56:29 +08:00
a6144ad1e1
*: Support Show processlist ( #1907 )
2016-10-31 18:23:00 +08:00
04b3bc96d0
executor: show original identifier instead of lower case. ( #1909 )
...
Fixes issue https://github.com/pingcap/tidb/issues/1904
2016-10-31 17:57:22 +08:00
d3279072b7
*: support explain aggregation query. ( #1901 )
2016-10-31 15:33:59 +08:00
1550e76e6c
executor: add comments in executor package. ( #1876 )
...
* executor: add comments in executor package.
2016-10-31 10:51:17 +08:00
82971c4779
plan: support aggregation push down. ( #1886 )
2016-10-31 01:17:21 +08:00
727f9e37d2
sessionctx/variable: fix default tx_read_only variable value. ( #1892 )
...
MySQL show this variable as "ON"/"OFF" in documentation, but the real value returned is "1"/“0”.
2016-10-29 10:15:30 +08:00
3fc9ae6bf5
remove useless check
2016-10-28 19:02:23 +08:00
1481e85129
*: add a flag to restrict cartesian product.
2016-10-28 18:38:27 +08:00
3738794502
util/types, table: truncate string by rune count, remove UTF8 validation ( #1877 )
...
Column length defined in create table should limits the rune count rather than bytes.
And MySQL doesn't return error for inserting invalid UTF8 string, we should not do it.
2016-10-26 20:34:35 +08:00
ba4d6bae37
*: support drop user. ( #1854 )
2016-10-24 21:01:02 +08:00
