43 lines
729 B
Go
43 lines
729 B
Go
package clause
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import (
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"fmt"
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"log"
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)
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type Database string
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var (
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Postgres Database = "postgres"
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Sqlite Database = "sqlite"
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)
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type Function interface {
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GetSql() string
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}
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type FuncDateWithoutTime struct {
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Database Database
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Field string
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Alias string
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SQL string
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}
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func (fnc FuncDateWithoutTime) GetSql() string {
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alias := fnc.Alias
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if fnc.Alias == "" {
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alias = fnc.Field
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}
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switch fnc.Database {
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case Postgres:
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fnc.SQL = fmt.Sprintf(" to_char(%s, %s) as %s", fnc.Field, "'YYYY-MM-DD'", alias)
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case Sqlite:
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fnc.SQL = fmt.Sprintf(" strftime(%s, %s) as %s", "'%Y-%m-%d' ", fnc.Field, alias)
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default:
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log.Print("database not implemented yet for this function")
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return ""
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}
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return fnc.SQL
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}
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