Marc Mintel
5397309103
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29 lines
1.3 KiB
Plaintext
29 lines
1.3 KiB
Plaintext
/**
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* Selects distinct records from a table only if there are joins that need to be used, otherwise return null
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*/ export const selectDistinct = ({ adapter, db, forceRun, hasAggregates, joins, query: queryModifier = ({ query })=>query, selectFields, tableName, where })=>{
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if (forceRun || Object.keys(joins).length > 0) {
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let query;
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const table = adapter.tables[tableName];
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// With hasAggregate we use groupBy so we don't need to use selectDistinct in that case
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// @ts-expect-error - Drizzle types are not accurate here
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let selectFunc = hasAggregates ? db.select : db.selectDistinct;
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// bind this otherwise we get TypeError: Cannot read properties of undefined (reading 'session')
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selectFunc = selectFunc.bind(db);
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query = selectFunc(selectFields).from(table).$dynamic();
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if (where) {
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query = query.where(where);
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}
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joins.forEach(({ type, condition, table })=>{
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query = query[type ?? 'leftJoin'](table, condition);
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});
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if (hasAggregates && '_selected' in selectFields) {
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// @ts-expect-error - Drizzle types are not accurate here
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query = query.groupBy(selectFields['_selected']);
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}
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return queryModifier({
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query
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});
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}
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};
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//# sourceMappingURL=selectDistinct.js.map |