writeStartPart method
Subclasses must override this and write the part of the statement that comes before the where and limit expression..
Implementation
@override
void writeStartPart(GenerationContext ctx) {
// use all columns across all tables as result column for this query
_selectedColumns.insertAll(
0, _queriedTables(true).expand((t) => t.$columns).cast<Expression>());
ctx.hasMultipleTables = true;
ctx.buffer
..write(_beginOfSelect(distinct))
..write(' ');
for (var i = 0; i < _selectedColumns.length; i++) {
if (i != 0) {
ctx.buffer.write(', ');
}
final column = _selectedColumns[i];
String chosenAlias;
if (column is GeneratedColumn) {
if (ctx.generatingForView == column.tableName) {
chosenAlias = '${column.$name}';
} else {
chosenAlias = '${column.tableName}.${column.$name}';
}
} else {
chosenAlias = 'c$i';
}
_columnAliases[column] = chosenAlias;
column.writeInto(ctx);
ctx.buffer
..write(' AS "')
..write(chosenAlias)
..write('"');
}
ctx.buffer.write(' FROM ${table.tableWithAlias}');
ctx.watchedTables.add(table);
if (_joins.isNotEmpty) {
ctx.writeWhitespace();
for (var i = 0; i < _joins.length; i++) {
if (i != 0) ctx.writeWhitespace();
_joins[i].writeInto(ctx);
}
}
}