Files
oceanbase/unittest/sql/resolver/expr/test_raw_expr_resolver.result
oceanbase-admin cea7de1475 init push
2021-05-31 22:56:52 +08:00

5026 lines
102 KiB
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[0] 1 like 1.0
{
"item_type":"T_OP_LIKE",
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"collation":"binary",
"coercibility":"NUMERIC"
},
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}
},
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"CNT_CONST",
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],
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},
{
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}
},
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],
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{
"item_type":"T_VARCHAR",
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"VARCHAR":"\",
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}
}
]
}
[1] '1' like '1'
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{
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"VARCHAR":"1",
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{
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"value": {
"VARCHAR":"\",
"collation":"utf8mb4_general_ci",
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]
}
[2] 2 in (1, 2, 3)
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"CNT_CONST"
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"value": {
"BIGINT":2
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},
{
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}
},
"expr_info": [
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"CNT_CONST"
],
"rel_id": [
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"value": {
"BIGINT":1
}
},
{
"item_type":"T_INT",
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}
},
"expr_info": [
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"CNT_CONST"
],
"rel_id": [
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"value": {
"BIGINT":2
}
},
{
"item_type":"T_INT",
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"flag":1,
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"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"BIGINT":3
}
}
]
}
]
}
[3] 2 not in (1, 2, 3)
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}
},
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"IS_CALCULABLE_EXPR",
"IS_CONST_EXPR",
"CNT_CONST",
"CNT_IN",
"CNT_CALCULABLE_EXPR"
],
"rel_id": [
],
"expr_levels": [
],
"children": [
{
"item_type":"T_INT",
"result_type": {
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"coercibility":"NUMERIC"
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"accuracy": {
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},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
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"CNT_CONST"
],
"rel_id": [
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"value": {
"BIGINT":2
}
},
{
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},
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"CNT_CONST"
],
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"value": {
"BIGINT":1
}
},
{
"item_type":"T_INT",
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}
},
"expr_info": [
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],
"rel_id": [
],
"value": {
"BIGINT":2
}
},
{
"item_type":"T_INT",
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"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":1,
"precision":1,
"scale":0
},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"BIGINT":3
}
}
]
}
]
}
[4] 1 or 1
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},
"accuracy": {
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"scale":-1
},
"flag":0,
"calc_type": {
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"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
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"IS_CALCULABLE_EXPR",
"IS_CONST_EXPR",
"CNT_CONST",
"CNT_OR",
"CNT_CALCULABLE_EXPR"
],
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"expr_levels": [
],
"children": [
{
"item_type":"T_INT",
"result_type": {
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},
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"precision":1,
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},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
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"value": {
"BIGINT":1
}
},
{
"item_type":"T_INT",
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"precision":1,
"scale":0
},
"flag":1,
"calc_type": {
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"CNT_CONST"
],
"rel_id": [
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"value": {
"BIGINT":1
}
}
]
}
[5] 100 and 0
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},
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"flag":0,
"calc_type": {
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"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CALCULABLE_EXPR",
"IS_CONST_EXPR",
"CNT_CONST",
"CNT_CALCULABLE_EXPR"
],
"rel_id": [
],
"expr_levels": [
],
"children": [
{
"item_type":"T_INT",
"result_type": {
"meta": {
"type":"BIGINT",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":3,
"precision":3,
"scale":0
},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"BIGINT":100
}
},
{
"item_type":"T_INT",
"result_type": {
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"type":"BIGINT",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":1,
"precision":1,
"scale":0
},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"BIGINT":0
}
}
]
}
[6] 100 or 0 and 100
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},
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},
"flag":0,
"calc_type": {
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"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
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"IS_CALCULABLE_EXPR",
"IS_CONST_EXPR",
"CNT_CONST",
"CNT_OR",
"CNT_CALCULABLE_EXPR"
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],
"children": [
{
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"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":3,
"precision":3,
"scale":0
},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"BIGINT":100
}
},
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"item_type":"T_OP_AND",
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"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CALCULABLE_EXPR",
"IS_CONST_EXPR",
"CNT_CONST",
"CNT_CALCULABLE_EXPR"
],
"rel_id": [
],
"expr_levels": [
],
"children": [
{
"item_type":"T_INT",
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"type":"BIGINT",
"collation":"binary",
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},
"accuracy": {
"length":1,
"precision":1,
"scale":0
},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"BIGINT":0
}
},
{
"item_type":"T_INT",
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},
"accuracy": {
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"scale":0
},
"flag":1,
"calc_type": {
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}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"BIGINT":100
}
}
]
}
]
}
[7] case name when 'sam' then 'yong' when 'lee' then 'handsome' else 'good' end
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}
},
"expr_info": [
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],
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],
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"arg_case": {
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"expr_info": [
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"CNT_COLUMN"
],
"rel_id": [
],
"table_id":-1,
"column_id":-1,
"database_name":"",
"table_name":"",
"synonym_name":"",
"synonym_db_name":"",
"column_name":"",
"expr_level":-1,
"expr_levels": [
],
"column_flags":0,
"enum_set_values": [
],
"is_lob_column":false,
"is_unpivot_mocked_column":false,
"is_hidden":false
},
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"coercibility":"COERCIBLE"
},
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}
},
"expr_info": [
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"CNT_CONST"
],
"rel_id": [
],
"value": {
"VARCHAR":"good",
"collation":"utf8mb4_general_ci",
"coercibility":"COERCIBLE"
}
},
"when": [
{
"item_type":"T_VARCHAR",
"result_type": {
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"type":"VARCHAR",
"collation":"utf8mb4_general_ci",
"coercibility":"COERCIBLE"
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},
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"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"VARCHAR":"sam",
"collation":"utf8mb4_general_ci",
"coercibility":"COERCIBLE"
}
},
{
"item_type":"T_VARCHAR",
"result_type": {
"meta": {
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},
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"precision":1,
"scale":-1
},
"flag":1,
"calc_type": {
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"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"VARCHAR":"lee",
"collation":"utf8mb4_general_ci",
"coercibility":"COERCIBLE"
}
}
],
"then": [
{
"item_type":"T_VARCHAR",
"result_type": {
"meta": {
"type":"VARCHAR",
"collation":"utf8mb4_general_ci",
"coercibility":"COERCIBLE"
},
"accuracy": {
"length":4,
"precision":1,
"scale":-1
},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"VARCHAR":"yong",
"collation":"utf8mb4_general_ci",
"coercibility":"COERCIBLE"
}
},
{
"item_type":"T_VARCHAR",
"result_type": {
"meta": {
"type":"VARCHAR",
"collation":"utf8mb4_general_ci",
"coercibility":"COERCIBLE"
},
"accuracy": {
"length":8,
"precision":1,
"scale":-1
},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"VARCHAR":"handsome",
"collation":"utf8mb4_general_ci",
"coercibility":"COERCIBLE"
}
}
],
"decode":false
}
[8] case when 1>0 then 'true' else 'false' end
{
"item_type":"T_OP_CASE",
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"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
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"scale":-1
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"flag":0,
"calc_type": {
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"coercibility":"INVALID"
}
},
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"CNT_CALCULABLE_EXPR"
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],
"expr_levels": [
],
"arg_case":null,
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"item_type":"T_VARCHAR",
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"meta": {
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"accuracy": {
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"precision":1,
"scale":-1
},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"VARCHAR":"false",
"collation":"utf8mb4_general_ci",
"coercibility":"COERCIBLE"
}
},
"when": [
{
"item_type":"T_OP_GT",
"result_type": {
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"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
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"flag":0,
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"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CALCULABLE_EXPR",
"IS_CONST_EXPR",
"CNT_CONST",
"CNT_CALCULABLE_EXPR"
],
"rel_id": [
],
"expr_levels": [
],
"children": [
{
"item_type":"T_INT",
"result_type": {
"meta": {
"type":"BIGINT",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":1,
"precision":1,
"scale":0
},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"BIGINT":1
}
},
{
"item_type":"T_INT",
"result_type": {
"meta": {
"type":"BIGINT",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":1,
"precision":1,
"scale":0
},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"BIGINT":0
}
}
]
}
],
"then": [
{
"item_type":"T_VARCHAR",
"result_type": {
"meta": {
"type":"VARCHAR",
"collation":"utf8mb4_general_ci",
"coercibility":"COERCIBLE"
},
"accuracy": {
"length":4,
"precision":1,
"scale":-1
},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"VARCHAR":"true",
"collation":"utf8mb4_general_ci",
"coercibility":"COERCIBLE"
}
}
],
"decode":false
}
[9] now()
{
"item_type":"T_FUN_SYS_CUR_TIMESTAMP",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":0
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"IS_FUNC",
"IS_CUR_TIME",
"IS_CALCULABLE_EXPR",
"IS_CONST_EXPR",
"CNT_CONST",
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"CNT_CUR_TIME",
"CNT_CALCULABLE_EXPR"
],
"rel_id": [
],
"expr_levels": [
],
"func":"current_timestamp",
"children": [
],
"enum_set_values": [
]
}
[10] utc_timestamp()
{
"item_type":"T_FUN_SYS_UTC_TIMESTAMP",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":0
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"IS_FUNC",
"IS_CUR_TIME",
"IS_CALCULABLE_EXPR",
"IS_CONST_EXPR",
"CNT_CONST",
"CNT_FUNC",
"CNT_CUR_TIME",
"CNT_CALCULABLE_EXPR"
],
"rel_id": [
],
"expr_levels": [
],
"func":"utc_timestamp",
"children": [
],
"enum_set_values": [
]
}
[11] floor(3.14)
{
"item_type":"T_FUN_SYS_FLOOR",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"IS_FUNC",
"IS_CALCULABLE_EXPR",
"IS_CONST_EXPR",
"CNT_CONST",
"CNT_FUNC",
"CNT_CALCULABLE_EXPR"
],
"rel_id": [
],
"expr_levels": [
],
"func":"floor",
"children": [
{
"item_type":"T_NUMBER",
"result_type": {
"meta": {
"type":"DECIMAL",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":4,
"precision":3,
"scale":2
},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"DECIMAL":"3.14"
}
}
],
"enum_set_values": [
]
}
[12] count(*)
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"item_type":"T_FUN_COUNT",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
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"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_AGG",
"CNT_AGG"
],
"rel_id": [
0
],
"expr_level":-1,
"expr_levels": [
],
"children": [
],
"distinct":false,
"order_by": [
],
"separator_param_expr":null,
"udf_meta": {
"tenant_id":-1,
"name":"",
"ret":0,
"dl":"",
"type":0
},
"linear_inter_expr":null
}
[13] max(c1)
{
"item_type":"T_FUN_MAX",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_AGG",
"CNT_COLUMN",
"CNT_AGG"
],
"rel_id": [
0
],
"expr_level":-1,
"expr_levels": [
],
"children": [
{
"item_type":"T_REF_COLUMN",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_COLUMN",
"CNT_COLUMN"
],
"rel_id": [
],
"table_id":-1,
"column_id":-1,
"database_name":"",
"table_name":"",
"synonym_name":"",
"synonym_db_name":"",
"column_name":"",
"expr_level":-1,
"expr_levels": [
],
"column_flags":0,
"enum_set_values": [
],
"is_lob_column":false,
"is_unpivot_mocked_column":false,
"is_hidden":false
}
],
"distinct":false,
"order_by": [
],
"separator_param_expr":null,
"udf_meta": {
"tenant_id":-1,
"name":"",
"ret":0,
"dl":"",
"type":0
},
"linear_inter_expr":null
}
[14] c1 in (select t1 from table1)
{
"item_type":"T_OP_SQ_EQ",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
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"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
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"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
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"CNT_SUB_QUERY",
"IS_WITH_ANY"
],
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],
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],
"children": [
{
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"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
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"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_COLUMN",
"CNT_COLUMN"
],
"rel_id": [
],
"table_id":-1,
"column_id":-1,
"database_name":"",
"table_name":"",
"synonym_name":"",
"synonym_db_name":"",
"column_name":"",
"expr_level":-1,
"expr_levels": [
],
"column_flags":0,
"enum_set_values": [
],
"is_lob_column":false,
"is_unpivot_mocked_column":false,
"is_hidden":false
},
{
"item_type":"T_REF_QUERY",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_SUB_QUERY",
"CNT_SUB_QUERY"
],
"rel_id": [
],
"id":-1,
"expr_level":-1,
"expr_levels": [
],
"output_column":0,
"is_set":true,
"is_cursor":false,
"column_types": [
],
"enum_set_values": [
]
}
]
}
[15] 1=(select c1 from table1 where c2>20)
{
"item_type":"T_OP_EQ",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"CNT_CONST",
"CNT_SUB_QUERY",
"IS_WITH_SUBQUERY"
],
"rel_id": [
],
"expr_levels": [
],
"children": [
{
"item_type":"T_INT",
"result_type": {
"meta": {
"type":"BIGINT",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":1,
"precision":1,
"scale":0
},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"BIGINT":1
}
},
{
"item_type":"T_REF_QUERY",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_SUB_QUERY",
"CNT_SUB_QUERY"
],
"rel_id": [
],
"id":-1,
"expr_level":-1,
"expr_levels": [
],
"output_column":0,
"is_set":false,
"is_cursor":false,
"column_types": [
],
"enum_set_values": [
]
}
]
}
[16] (t1,t2)=(select c1, c2 from table1)
{
"item_type":"T_OP_EQ",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"CNT_COLUMN",
"CNT_SUB_QUERY",
"IS_WITH_SUBQUERY"
],
"rel_id": [
],
"expr_levels": [
],
"children": [
{
"item_type":"T_OP_ROW",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"CNT_COLUMN"
],
"rel_id": [
],
"expr_levels": [
],
"children": [
{
"item_type":"T_REF_COLUMN",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_COLUMN",
"CNT_COLUMN"
],
"rel_id": [
],
"table_id":-1,
"column_id":-1,
"database_name":"",
"table_name":"",
"synonym_name":"",
"synonym_db_name":"",
"column_name":"",
"expr_level":-1,
"expr_levels": [
],
"column_flags":0,
"enum_set_values": [
],
"is_lob_column":false,
"is_unpivot_mocked_column":false,
"is_hidden":false
},
{
"item_type":"T_REF_COLUMN",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_COLUMN",
"CNT_COLUMN"
],
"rel_id": [
],
"table_id":-1,
"column_id":-1,
"database_name":"",
"table_name":"",
"synonym_name":"",
"synonym_db_name":"",
"column_name":"",
"expr_level":-1,
"expr_levels": [
],
"column_flags":0,
"enum_set_values": [
],
"is_lob_column":false,
"is_unpivot_mocked_column":false,
"is_hidden":false
}
]
},
{
"item_type":"T_REF_QUERY",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_SUB_QUERY",
"CNT_SUB_QUERY"
],
"rel_id": [
],
"id":-1,
"expr_level":-1,
"expr_levels": [
],
"output_column":0,
"is_set":false,
"is_cursor":false,
"column_types": [
],
"enum_set_values": [
]
}
]
}
[17] 10
{
"item_type":"T_INT",
"result_type": {
"meta": {
"type":"BIGINT",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":2,
"precision":2,
"scale":0
},
"flag":1,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"BIGINT":10
}
}
[18] @@auto_increment_increment
{
"item_type":"T_OP_GET_SYS_VAR",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
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"IS_FUNC",
"IS_CALCULABLE_EXPR",
"IS_CONST_EXPR",
"CNT_CONST",
"CNT_FUNC",
"CNT_CALCULABLE_EXPR"
],
"rel_id": [
],
"expr_levels": [
],
"func":"get_sys_var",
"children": [
{
"item_type":"T_VARCHAR",
"result_type": {
"meta": {
"type":"VARCHAR",
"collation":"utf8mb4_general_ci",
"coercibility":"SYSCONST"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"VARCHAR":"auto_increment_increment",
"collation":"utf8mb4_general_ci",
"coercibility":"SYSCONST"
}
},
{
"item_type":"T_INT",
"result_type": {
"meta": {
"type":"BIGINT",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"BIGINT":0
}
}
],
"enum_set_values": [
]
}
[19] @a
{
"item_type":"T_OP_GET_USER_VAR",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_FUNC",
"IS_CALCULABLE_EXPR",
"IS_USER_VARIABLE",
"CNT_CONST",
"CNT_FUNC",
"CNT_CALCULABLE_EXPR",
"CNT_USER_VARIABLE"
],
"rel_id": [
],
"expr_levels": [
],
"func":"",
"children": [
{
"item_type":"T_USER_VARIABLE_IDENTIFIER",
"result_type": {
"meta": {
"type":"VARCHAR",
"collation":"utf8mb4_general_ci",
"coercibility":"IMPLICIT"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_CONST",
"CNT_CONST"
],
"rel_id": [
],
"value": {
"VARCHAR":"a",
"collation":"utf8mb4_general_ci",
"coercibility":"IMPLICIT"
},
"is_contain_assign":false,
"query_has_udf":false
}
],
"enum_set_values": [
]
}
[20] c1
{
"item_type":"T_REF_COLUMN",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
"expr_info": [
"IS_COLUMN",
"CNT_COLUMN"
],
"rel_id": [
],
"table_id":-1,
"column_id":-1,
"database_name":"",
"table_name":"",
"synonym_name":"",
"synonym_db_name":"",
"column_name":"",
"expr_level":-1,
"expr_levels": [
],
"column_flags":0,
"enum_set_values": [
],
"is_lob_column":false,
"is_unpivot_mocked_column":false,
"is_hidden":false
}
[21] 10+10
{
"item_type":"T_OP_ADD",
"result_type": {
"meta": {
"type":"",
"collation":"binary",
"coercibility":"NUMERIC"
},
"accuracy": {
"length":-1,
"precision":-1,
"scale":-1
},
"flag":0,
"calc_type": {
"type":"NULL",
"collation":"invalid_type",
"coercibility":"INVALID"
}
},
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[22] not 10
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[23] c1+c2=c3+c4
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}
[24] c1=3
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[25] c1>1
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[26] c1 > c2
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[27] c1 in (1,2,3,4)
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[28] c1 between 2 and 10
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[29] 10+10+c1
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[30] c1 = 1 + 2
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[31] c1 between 10+10 and 30
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[32] 1+c1 > ? and 'abc' || c2 = 'def'
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[33] binary binary 'abc' collate utf8_general_ci collate utf8_bin
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[34] X not like Y
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[35] Z not regexp A
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