58 lines
1.3 KiB
Vala
58 lines
1.3 KiB
Vala
using Sqlite;
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namespace Qlite {
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public abstract class StatementBuilder {
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protected Database db;
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internal StatementBuilder(Database db) {
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this.db = db;
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}
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internal abstract Statement prepare() throws DatabaseError;
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internal abstract class AbstractField<T> {
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public T value;
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public Column<T>? column;
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public AbstractField(T value) {
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this.value = value;
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}
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internal abstract void bind(Statement stmt, int index);
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}
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internal class Field<T> : AbstractField<T> {
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public Field(Column<T> column, T value) {
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base(value);
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this.column = column;
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}
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internal override void bind(Statement stmt, int index) {
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((!)column).bind(stmt, index, value);
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}
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}
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internal class NullField<T> : AbstractField<T> {
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public NullField(Column<T> column) {
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base(null);
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this.column = column;
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}
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internal override void bind(Statement stmt, int index) {
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stmt.bind_null(index);
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}
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}
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internal class StringField : AbstractField<string> {
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public StringField(string value) {
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base(value);
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}
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internal override void bind(Statement stmt, int index) {
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stmt.bind_text(index, value);
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}
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}
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}
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} |