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39 lines
1.3 KiB
39 lines
1.3 KiB
/*
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* Copyright (c) 2015-present, Vitaly Tomilov
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*
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* See the LICENSE file at the top-level directory of this distribution
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* for licensing information.
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*
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* Removal or modification of this copyright notice is prohibited.
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*/
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/**
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* @enum {number}
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* @alias queryResult
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* @readonly
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* @description
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* **Query Result Mask**
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*
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* Binary mask that represents the number of rows expected from a query method,
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* used by generic {@link Database#query query} method, plus {@link Database#func func}.
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*
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* The mask is always the last optional parameter, which defaults to `queryResult.any`.
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*
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* Any combination of flags is supported, except for `one + many`.
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*
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* The type is available from the library's root: `pgp.queryResult`.
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*
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* @see {@link Database#query Database.query}, {@link Database#func Database.func}
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*/
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const queryResult = {
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/** Single row is expected, to be resolved as a single row-object. */
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one: 1,
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/** One or more rows expected, to be resolved as an array, with at least 1 row-object. */
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many: 2,
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/** Expecting no rows, to be resolved with `null`. */
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none: 4,
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/** `many|none` - any result is expected, to be resolved with an array of rows-objects. */
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any: 6
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};
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module.exports = {queryResult};
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