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feat: Full Text Search Support (#3904)

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* Full Text Support

* invalid input test

* Support for sort

* index exist test

* clean up

* better error messaging

* postgres support

* error instructions for $diacritic and $case sensitivity

* nit

* nit

* nit

* separate test for full text
This commit is contained in:
Diamond Lewis
2017-06-13 20:42:59 -05:00
committed by Florent Vilmart
parent 5f991e90fb
commit 8b21d5ab80
7 changed files with 575 additions and 2 deletions
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53
src/Adapters/Storage/Postgres/PostgresStorageAdapter.js
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@@ -324,6 +324,56 @@ const buildWhereClause = ({ schema, query, index }) => {
index += 1;
}
if (fieldValue.$text) {
const search = fieldValue.$text.$search;
let language = 'english';
if (typeof search !== 'object') {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
`bad $text: $search, should be object`
);
}
if (!search.$term || typeof search.$term !== 'string') {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
`bad $text: $term, should be string`
);
}
if (search.$language && typeof search.$language !== 'string') {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
`bad $text: $language, should be string`
);
} else if (search.$language) {
language = search.$language;
}
if (search.$caseSensitive && typeof search.$caseSensitive !== 'boolean') {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
`bad $text: $caseSensitive, should be boolean`
);
} else if (search.$caseSensitive) {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
`bad $text: $caseSensitive not supported, please use $regex or create a separate lower case column.`
);
}
if (search.$diacriticSensitive && typeof search.$diacriticSensitive !== 'boolean') {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
`bad $text: $diacriticSensitive, should be boolean`
);
} else if (search.$diacriticSensitive === false) {
throw new Parse.Error(
Parse.Error.INVALID_JSON,
`bad $text: $diacriticSensitive - false not supported, install Postgres Unaccent Extension`
);
}
patterns.push(`to_tsvector($${index}, $${index + 1}:name) @@ to_tsquery($${index + 2}, $${index + 3})`);
values.push(language, fieldName, language, search.$term);
index += 4;
}
if (fieldValue.$nearSphere) {
const point = fieldValue.$nearSphere;
const distance = fieldValue.$maxDistance;
@@ -1084,6 +1134,9 @@ export class PostgresStorageAdapter {
return key.length > 0;
});
columns = keys.map((key, index) => {
if (key === '$score') {
return `ts_rank_cd(to_tsvector($${2}, $${3}:name), to_tsquery($${4}, $${5}), 32) as score`;
}
return `$${index + values.length + 1}:name`;
}).join(',');
values = values.concat(keys);