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f04f8bbc78
This change adds support for casting strings to Timestamp via CAST:
`CAST('2010T' AS TIMESTAMP)`
It also implements the following date-time functions:
- UTCNOW()
- DATE_ADD()
- DATE_DIFF()
- EXTRACT()
For values passed to these functions, date-types are automatically
inferred.
61 lines
2.1 KiB
Go
61 lines
2.1 KiB
Go
/*
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* Minio Cloud Storage, (C) 2019 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package sql
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import (
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"testing"
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"time"
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)
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func TestParseAndDisplaySQLTimestamp(t *testing.T) {
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beijing := time.FixedZone("", int((8 * time.Hour).Seconds()))
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fakeLosAngeles := time.FixedZone("", -int((8 * time.Hour).Seconds()))
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cases := []struct {
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s string
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t time.Time
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}{
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{"2010T", time.Date(2010, 1, 1, 0, 0, 0, 0, time.UTC)},
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{"2010-02T", time.Date(2010, 2, 1, 0, 0, 0, 0, time.UTC)},
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{"2010-02-03T", time.Date(2010, 2, 3, 0, 0, 0, 0, time.UTC)},
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{"2010-02-03T04:11Z", time.Date(2010, 2, 3, 4, 11, 0, 0, time.UTC)},
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{"2010-02-03T04:11:30Z", time.Date(2010, 2, 3, 4, 11, 30, 0, time.UTC)},
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{"2010-02-03T04:11:30.23Z", time.Date(2010, 2, 3, 4, 11, 30, 230000000, time.UTC)},
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{"2010-02-03T04:11+08:00", time.Date(2010, 2, 3, 4, 11, 0, 0, beijing)},
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{"2010-02-03T04:11:30+08:00", time.Date(2010, 2, 3, 4, 11, 30, 0, beijing)},
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{"2010-02-03T04:11:30.23+08:00", time.Date(2010, 2, 3, 4, 11, 30, 230000000, beijing)},
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{"2010-02-03T04:11:30-08:00", time.Date(2010, 2, 3, 4, 11, 30, 0, fakeLosAngeles)},
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{"2010-02-03T04:11:30.23-08:00", time.Date(2010, 2, 3, 4, 11, 30, 230000000, fakeLosAngeles)},
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}
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for i, tc := range cases {
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tval, err := parseSQLTimestamp(tc.s)
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if err != nil {
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t.Errorf("Case %d: Unexpected error: %v", i+1, err)
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continue
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}
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if !tval.Equal(tc.t) {
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t.Errorf("Case %d: Expected %v got %v", i+1, tc.t, tval)
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continue
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}
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tstr := FormatSQLTimestamp(tc.t)
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if tstr != tc.s {
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t.Errorf("Case %d: Expected %s got %s", i+1, tc.s, tstr)
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continue
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}
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}
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}
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