46 lines
999 B
Go
46 lines
999 B
Go
/*
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Copyright 2016 GitHub Inc.
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See https://github.com/github/gh-osc/blob/master/LICENSE
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*/
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package sql
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import (
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"fmt"
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"reflect"
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"strings"
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)
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// ColumnList makes for a named list of columns
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type ColumnList []string
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// ParseColumnList parses a comma delimited list of column names
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func ParseColumnList(columns string) *ColumnList {
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result := ColumnList(strings.Split(columns, ","))
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return &result
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}
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func (this *ColumnList) String() string {
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return strings.Join(*this, ",")
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}
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func (this *ColumnList) Equals(other *ColumnList) bool {
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return reflect.DeepEqual(*this, *other)
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}
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// UniqueKey is the combination of a key's name and columns
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type UniqueKey struct {
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Name string
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Columns ColumnList
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HasNullable bool
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}
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// IsPrimary cehcks if this unique key is primary
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func (this *UniqueKey) IsPrimary() bool {
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return this.Name == "PRIMARY"
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}
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func (this *UniqueKey) String() string {
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return fmt.Sprintf("%s: %s; has nullable: %+v", this.Name, this.Columns, this.HasNullable)
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}
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