104 lines
3.2 KiB
Go
104 lines
3.2 KiB
Go
package squirrel
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import "github.com/lann/builder"
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// StatementBuilderType is the type of StatementBuilder.
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type StatementBuilderType builder.Builder
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// Select returns a SelectBuilder for this StatementBuilderType.
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func (b StatementBuilderType) Select(columns ...string) SelectBuilder {
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return SelectBuilder(b).Columns(columns...)
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}
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// Insert returns a InsertBuilder for this StatementBuilderType.
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func (b StatementBuilderType) Insert(into string) InsertBuilder {
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return InsertBuilder(b).Into(into)
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}
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// Replace returns a InsertBuilder for this StatementBuilderType with the
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// statement keyword set to "REPLACE".
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func (b StatementBuilderType) Replace(into string) InsertBuilder {
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return InsertBuilder(b).statementKeyword("REPLACE").Into(into)
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}
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// Update returns a UpdateBuilder for this StatementBuilderType.
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func (b StatementBuilderType) Update(table string) UpdateBuilder {
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return UpdateBuilder(b).Table(table)
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}
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// Delete returns a DeleteBuilder for this StatementBuilderType.
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func (b StatementBuilderType) Delete(from string) DeleteBuilder {
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return DeleteBuilder(b).From(from)
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}
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// PlaceholderFormat sets the PlaceholderFormat field for any child builders.
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func (b StatementBuilderType) PlaceholderFormat(f PlaceholderFormat) StatementBuilderType {
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return builder.Set(b, "PlaceholderFormat", f).(StatementBuilderType)
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}
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// RunWith sets the RunWith field for any child builders.
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func (b StatementBuilderType) RunWith(runner BaseRunner) StatementBuilderType {
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return setRunWith(b, runner).(StatementBuilderType)
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}
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// Where adds WHERE expressions to the query.
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//
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// See SelectBuilder.Where for more information.
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func (b StatementBuilderType) Where(pred interface{}, args ...interface{}) StatementBuilderType {
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return builder.Append(b, "WhereParts", newWherePart(pred, args...)).(StatementBuilderType)
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}
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// StatementBuilder is a parent builder for other builders, e.g. SelectBuilder.
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var StatementBuilder = StatementBuilderType(builder.EmptyBuilder).PlaceholderFormat(Question)
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// Select returns a new SelectBuilder, optionally setting some result columns.
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//
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// See SelectBuilder.Columns.
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func Select(columns ...string) SelectBuilder {
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return StatementBuilder.Select(columns...)
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}
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// Insert returns a new InsertBuilder with the given table name.
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//
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// See InsertBuilder.Into.
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func Insert(into string) InsertBuilder {
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return StatementBuilder.Insert(into)
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}
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// Replace returns a new InsertBuilder with the statement keyword set to
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// "REPLACE" and with the given table name.
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//
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// See InsertBuilder.Into.
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func Replace(into string) InsertBuilder {
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return StatementBuilder.Replace(into)
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}
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// Update returns a new UpdateBuilder with the given table name.
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//
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// See UpdateBuilder.Table.
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func Update(table string) UpdateBuilder {
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return StatementBuilder.Update(table)
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}
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// Delete returns a new DeleteBuilder with the given table name.
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//
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// See DeleteBuilder.Table.
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func Delete(from string) DeleteBuilder {
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return StatementBuilder.Delete(from)
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}
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// Case returns a new CaseBuilder
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// "what" represents case value
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func Case(what ...interface{}) CaseBuilder {
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b := CaseBuilder(builder.EmptyBuilder)
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switch len(what) {
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case 0:
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case 1:
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b = b.what(what[0])
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default:
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b = b.what(newPart(what[0], what[1:]...))
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}
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return b
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}
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