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Add support for PostgreSQL interval column

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go-jet 2020-02-09 18:37:48 +01:00
parent 641c62098c
commit 3013dc3647
30 changed files with 1038 additions and 255 deletions
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62
postgres/interval_test.go
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@ -1,62 +0,0 @@
package postgres
import (
"testing"
"time"
)
func TestINTERVAL(t *testing.T) {
assertSerialize(t, INTERVAL(1, YEAR), "INTERVAL '1 YEAR'")
assertSerialize(t, INTERVAL(1, MONTH), "INTERVAL '1 MONTH'")
assertSerialize(t, INTERVAL(1, WEEK), "INTERVAL '1 WEEK'")
assertSerialize(t, INTERVAL(1, DAY), "INTERVAL '1 DAY'")
assertSerialize(t, INTERVAL(1, HOUR), "INTERVAL '1 HOUR'")
assertSerialize(t, INTERVAL(1, MINUTE), "INTERVAL '1 MINUTE'")
assertSerialize(t, INTERVAL(1, SECOND), "INTERVAL '1 SECOND'")
assertSerialize(t, INTERVAL(1, MILLISECOND), "INTERVAL '1 MILLISECOND'")
assertSerialize(t, INTERVAL(1, MICROSECOND), "INTERVAL '1 MICROSECOND'")
assertSerialize(t, INTERVAL(1, DECADE), "INTERVAL '1 DECADE'")
assertSerialize(t, INTERVAL(1, CENTURY), "INTERVAL '1 CENTURY'")
assertSerialize(t, INTERVAL(1, MILLENNIUM), "INTERVAL '1 MILLENNIUM'")
assertSerialize(t, INTERVAL(1, YEAR, 10, MONTH), "INTERVAL '1 YEAR 10 MONTH'")
assertSerialize(t, INTERVAL(1, YEAR, 10, MONTH, 20, DAY), "INTERVAL '1 YEAR 10 MONTH 20 DAY'")
assertSerialize(t, INTERVAL(1, YEAR, 10, MONTH, 20, DAY, 3, HOUR), "INTERVAL '1 YEAR 10 MONTH 20 DAY 3 HOUR'")
assertSerialize(t, INTERVAL(1, YEAR).IS_NOT_NULL(), "INTERVAL '1 YEAR' IS NOT NULL")
assertProjectionSerialize(t, INTERVAL(1, YEAR).AS("one year"), `INTERVAL '1 YEAR' AS "one year"`)
f := 5.2
assertSerialize(t, INTERVAL(f, YEAR), "INTERVAL '5.2 YEAR'")
}
func TestINTERVALd(t *testing.T) {
assertSerialize(t, INTERVALd(0), "INTERVAL '0 MICROSECOND'")
assertSerialize(t, INTERVALd(1*time.Microsecond), "INTERVAL '1 MICROSECOND'")
assertSerialize(t, INTERVALd(1*time.Millisecond), "INTERVAL '1000 MICROSECOND'")
assertSerialize(t, INTERVALd(1*time.Second), "INTERVAL '1 SECOND'")
assertSerialize(t, INTERVALd(1*time.Minute), "INTERVAL '1 MINUTE'")
assertSerialize(t, INTERVALd(1*time.Hour), "INTERVAL '1 HOUR'")
assertSerialize(t, INTERVALd(24*time.Hour), "INTERVAL '1 DAY'")
assertSerialize(t, INTERVALd(24*time.Hour+2*time.Hour+3*time.Minute+4*time.Second+5*time.Microsecond),
"INTERVAL '1 DAY 2 HOUR 3 MINUTE 4 SECOND 5 MICROSECOND'")
}
func TestINTERVAL_InvalidParams(t *testing.T) {
assertPanicErr(t, func() { INTERVAL(1) }, "jet: invalid number of quantity and unit fields")
assertPanicErr(t, func() { INTERVAL(1, 2) }, "jet: invalid INTERVAL unit type")
}
func TestIntervalArithmetic(t *testing.T) {
assertSerialize(t, table2ColDate.ADD(INTERVAL(1, HOUR)), "(table2.col_date + INTERVAL '1 HOUR')")
assertSerialize(t, table2ColDate.SUB(INTERVAL(1, HOUR)), "(table2.col_date - INTERVAL '1 HOUR')")
assertSerialize(t, table2ColTime.ADD(INTERVAL(1, HOUR)), "(table2.col_time + INTERVAL '1 HOUR')")
assertSerialize(t, table2ColTime.SUB(INTERVAL(1, HOUR)), "(table2.col_time - INTERVAL '1 HOUR')")
assertSerialize(t, table2ColTimez.ADD(INTERVAL(1, HOUR)), "(table2.col_timez + INTERVAL '1 HOUR')")
assertSerialize(t, table2ColTimez.SUB(INTERVAL(1, HOUR)), "(table2.col_timez - INTERVAL '1 HOUR')")
assertSerialize(t, table2ColTimestamp.ADD(INTERVAL(1, HOUR)), "(table2.col_timestamp + INTERVAL '1 HOUR')")
assertSerialize(t, table2ColTimestamp.SUB(INTERVAL(1, HOUR)), "(table2.col_timestamp - INTERVAL '1 HOUR')")
assertSerialize(t, table2ColTimestampz.ADD(INTERVAL(1, HOUR)), "(table2.col_timestampz + INTERVAL '1 HOUR')")
assertSerialize(t, table2ColTimestampz.SUB(INTERVAL(1, HOUR)), "(table2.col_timestampz - INTERVAL '1 HOUR')")
}