Postgres: $all, $and CLP and more (#2551)

* Adds passing tests

* Better containsAll implementation

* Full Geopoint support, fix inverted lat/lng

* Adds support for $and operator / PointerPermissions specs

* Fix issue updating CLPs on schema

* Extends query support

* Adds RestCreate to the specs

* Adds User specs

* Adds error handlers for failing tests

* nits

* Proper JSON update of AuthData

* fix for #1259 with PG

* Fix for Installations _PushStatus test

* Adds support for GlobalConfig

* Enables relations tests

* Exclude spec as legacy

* Makes corner case for 1 in GlobalConfig
This commit is contained in:
Florent Vilmart
2016-08-20 16:07:48 -04:00
committed by GitHub
parent e1de9f3a12
commit 9ab488b6a0
17 changed files with 276 additions and 138 deletions

View File

@@ -110,6 +110,31 @@ const toPostgresSchema = (schema) => {
return schema;
}
const handleDotFields = (object) => {
Object.keys(object).forEach(fieldName => {
if (fieldName.indexOf('.') > -1) {
let components = fieldName.split('.');
let first = components.shift();
object[first] = object[first] || {};
let currentObj = object[first];
let next;
let value = object[fieldName];
if (value && value.__op === 'Delete') {
value = undefined;
}
while(next = components.shift()) {
currentObj[next] = currentObj[next] || {};
if (components.length === 0) {
currentObj[next] = value;
}
currentObj = currentObj[next];
}
delete object[fieldName];
}
});
return object;
}
// Returns the list of join tables on a schema
const joinTablesForSchema = (schema) => {
let list = [];
@@ -130,8 +155,20 @@ const buildWhereClause = ({ schema, query, index }) => {
schema = toPostgresSchema(schema);
for (let fieldName in query) {
let isArrayField = schema.fields
&& schema.fields[fieldName]
&& schema.fields[fieldName].type === 'Array';
let initialPatternsLength = patterns.length;
let fieldValue = query[fieldName];
// nothingin the schema, it's gonna blow up
if (!schema.fields[fieldName]) {
// as it won't exist
if (fieldValue.$exists === false) {
continue;
}
}
if (fieldName.indexOf('.') >= 0) {
let components = fieldName.split('.').map((cmpt, index) => {
if (index == 0) {
@@ -154,25 +191,33 @@ const buildWhereClause = ({ schema, query, index }) => {
patterns.push(`$${index}:name = $${index + 1}`);
values.push(fieldName, fieldValue);
index += 2;
} else if (fieldName === '$or') {
} else if (fieldName === '$or' || fieldName === '$and') {
let clauses = [];
let clauseValues = [];
fieldValue.forEach((subQuery, idx) =>  {
let clause = buildWhereClause({ schema, query: subQuery, index });
clauses.push(clause.pattern);
clauseValues.push(...clause.values);
index += clause.values.length;
if (clause.pattern.length > 0) {
clauses.push(clause.pattern);
clauseValues.push(...clause.values);
index += clause.values.length;
}
});
patterns.push(`(${clauses.join(' OR ')})`);
let orOrAnd = fieldName === '$or' ? ' OR ' : ' AND ';
patterns.push(`(${clauses.join(orOrAnd)})`);
values.push(...clauseValues);
}
if (fieldValue.$ne) {
if (fieldValue.$ne === null) {
patterns.push(`$${index}:name <> $${index + 1}`);
if (isArrayField) {
fieldValue.$ne = JSON.stringify([fieldValue.$ne]);
patterns.push(`NOT array_contains($${index}:name, $${index + 1})`);
} else {
// if not null, we need to manually exclude null
patterns.push(`($${index}:name <> $${index + 1} OR $${index}:name IS NULL)`);
if (fieldValue.$ne === null) {
patterns.push(`$${index}:name <> $${index + 1}`);
} else {
// if not null, we need to manually exclude null
patterns.push(`($${index}:name <> $${index + 1} OR $${index}:name IS NULL)`);
}
}
// TODO: support arrays
@@ -186,7 +231,10 @@ const buildWhereClause = ({ schema, query, index }) => {
index += 2;
}
const isInOrNin = Array.isArray(fieldValue.$in) || Array.isArray(fieldValue.$nin);
if (Array.isArray(fieldValue.$in) && schema.fields[fieldName].type === 'Array') {
if (Array.isArray(fieldValue.$in) &&
isArrayField &&
schema.fields[fieldName].contents &&
schema.fields[fieldName].contents.type === 'String') {
let inPatterns = [];
let allowNull = false;
values.push(fieldName);
@@ -207,15 +255,21 @@ const buildWhereClause = ({ schema, query, index }) => {
} else if (isInOrNin) {
var createConstraint = (baseArray, notIn) => {
if (baseArray.length > 0) {
let inPatterns = [];
values.push(fieldName);
baseArray.forEach((listElem, listIndex) => {
values.push(listElem);
inPatterns.push(`$${index + 1 + listIndex}`);
});
let not = notIn ? 'NOT' : '';
patterns.push(`$${index}:name ${not} IN (${inPatterns.join(',')})`);
index = index + 1 + inPatterns.length;
let not = notIn ? ' NOT ' : '';
if (isArrayField) {
patterns.push(`${not} array_contains($${index}:name, $${index+1})`);
values.push(fieldName, JSON.stringify(baseArray));
index += 2;
} else {
let inPatterns = [];
values.push(fieldName);
baseArray.forEach((listElem, listIndex) => {
values.push(listElem);
inPatterns.push(`$${index + 1 + listIndex}`);
});
patterns.push(`$${index}:name ${not} IN (${inPatterns.join(',')})`);
index = index + 1 + inPatterns.length;
}
} else if (!notIn) {
values.push(fieldName);
patterns.push(`$${index}:name IS NULL`);
@@ -230,24 +284,10 @@ const buildWhereClause = ({ schema, query, index }) => {
}
}
if (Array.isArray(fieldValue.$all) && schema.fields[fieldName].type === 'Array') {
let inPatterns = [];
let allowNull = false;
values.push(fieldName);
fieldValue.$all.forEach((listElem, listIndex) => {
if (listElem === null ) {
allowNull = true;
} else {
values.push(listElem);
inPatterns.push(`$${index + 1 + listIndex - (allowNull ? 1 : 0)}`);
}
});
if (allowNull) {
patterns.push(`($${index}:name IS NULL OR $${index}:name @> array_to_json(ARRAY[${inPatterns.join(',')}]))::jsonb`);
} else {
patterns.push(`$${index}:name @> json_build_array(${inPatterns.join(',')})::jsonb`);
}
index = index + 1 + inPatterns.length;
if (Array.isArray(fieldValue.$all) && isArrayField) {
patterns.push(`array_contains_all($${index}:name, $${index+1}::jsonb)`);
values.push(fieldName, JSON.stringify(fieldValue.$all));
index+=2;
}
if (typeof fieldValue.$exists !== 'undefined') {
@@ -266,10 +306,22 @@ const buildWhereClause = ({ schema, query, index }) => {
let distanceInKM = distance*6371*1000;
patterns.push(`ST_distance_sphere($${index}:name::geometry, POINT($${index+1}, $${index+2})::geometry) <= $${index+3}`);
sorts.push(`ST_distance_sphere($${index}:name::geometry, POINT($${index+1}, $${index+2})::geometry) ASC`)
values.push(fieldName, point.latitude, point.longitude, distanceInKM);
values.push(fieldName, point.longitude, point.latitude, distanceInKM);
index += 4;
}
if (fieldValue.$within && fieldValue.$within.$box) {
let box = fieldValue.$within.$box;
let left = box[0].longitude;
let bottom = box[0].latitude;
let right = box[1].longitude;
let top = box[1].latitude;
patterns.push(`$${index}:name::point <@ $${index+1}::box`);
values.push(fieldName, `((${left}, ${bottom}), (${right}, ${top}))`);
index += 2;
}
if (fieldValue.$regex) {
let regex = fieldValue.$regex;
let operator = '~';
@@ -285,9 +337,15 @@ const buildWhereClause = ({ schema, query, index }) => {
}
if (fieldValue.__type === 'Pointer') {
patterns.push(`$${index}:name = $${index + 1}`);
values.push(fieldName, fieldValue.objectId);
index += 2;
if (isArrayField) {
patterns.push(`array_contains($${index}:name, $${index + 1})`);
values.push(fieldName, JSON.stringify([fieldValue]));
index += 2;
} else {
patterns.push(`$${index}:name = $${index + 1}`);
values.push(fieldName, fieldValue.objectId);
index += 2;
}
}
if (fieldValue.__type === 'Date') {
@@ -345,7 +403,7 @@ export class PostgresStorageAdapter {
setClassLevelPermissions(className, CLPs) {
return this._ensureSchemaCollectionExists().then(() => {
const values = [className, 'schema', 'classLevelPermissions', CLPs]
const values = [className, 'schema', 'classLevelPermissions', JSON.stringify(CLPs)]
return this._client.none(`UPDATE "_SCHEMA" SET $2:name = json_object_set_key($2:name, $3::text, $4::jsonb) WHERE "className"=$1 `, values);
});
}
@@ -568,6 +626,9 @@ export class PostgresStorageAdapter {
let valuesArray = [];
schema = toPostgresSchema(schema);
let geoPoints = {};
object = handleDotFields(object);
Object.keys(object).forEach(fieldName => {
var authDataMatch = fieldName.match(/^_auth_data_([a-zA-Z0-9_]+)$/);
if (authDataMatch) {
@@ -584,7 +645,11 @@ export class PostgresStorageAdapter {
valuesArray.push(object[fieldName]);
}
if (fieldName == '_email_verify_token_expires_at') {
valuesArray.push(object[fieldName].iso);
if (object[fieldName]) {
valuesArray.push(object[fieldName].iso);
} else {
valuesArray.push(null);
}
}
if (fieldName == '_perishable_token') {
valuesArray.push(object[fieldName].iso);
@@ -593,7 +658,11 @@ export class PostgresStorageAdapter {
}
switch (schema.fields[fieldName].type) {
case 'Date':
valuesArray.push(object[fieldName].iso);
if (object[fieldName]) {
valuesArray.push(object[fieldName].iso);
} else {
valuesArray.push(null);
}
break;
case 'Pointer':
valuesArray.push(object[fieldName].objectId);
@@ -638,7 +707,7 @@ export class PostgresStorageAdapter {
});
let geoPointsInjects = Object.keys(geoPoints).map((key, idx) => {
let value = geoPoints[key];
valuesArray.push(value.latitude, value.longitude);
valuesArray.push(value.longitude, value.latitude);
let l = valuesArray.length + columnsArray.length;
return `POINT($${l}, $${l+1})`;
});
@@ -683,21 +752,22 @@ export class PostgresStorageAdapter {
}
});
}
// Return value not currently well specified.
findOneAndUpdate(className, schema, query, update) {
debug('findOneAndUpdate', className, query, update);
return this.updateObjectsByQuery(className, schema, query, update).then((val) => val[0]);
}
// Apply the update to all objects that match the given Parse Query.
updateObjectsByQuery(className, schema, query, update) {
debug('updateObjectsByQuery', className, query, update);
return this.findOneAndUpdate(className, schema, query, update);
}
// Return value not currently well specified.
findOneAndUpdate(className, schema, query, update) {
debug('findOneAndUpdate', className, query, update);
let conditionPatterns = [];
let updatePatterns = [];
let values = [className]
let index = 2;
schema = toPostgresSchema(schema);
update = handleDotFields(update);
// Resolve authData first,
// So we don't end up with multiple key updates
for (let fieldName in update) {
@@ -717,7 +787,7 @@ export class PostgresStorageAdapter {
// This recursively sets the json_object
// Only 1 level deep
let generate = (jsonb, key, value) => {
return `json_object_set_key(${jsonb}, ${key}, ${value})::jsonb`; 
return `json_object_set_key(COALESCE(${jsonb}, '{}'::jsonb), ${key}, ${value})::jsonb`; 
}
let lastKey = `$${index}:name`;
let fieldNameIndex = index;
@@ -726,7 +796,15 @@ export class PostgresStorageAdapter {
let update = Object.keys(fieldValue).reduce((lastKey, key) => {
let str = generate(lastKey, `$${index}::text`, `$${index+1}::jsonb`)
index+=2;
values.push(key, fieldValue[key]);
let value = fieldValue[key];
if (value) {
if (value.__op === 'Delete') {
value = null;
} else {
value = JSON.stringify(value)
}
}
values.push(key, value);
return str;
}, lastKey);
updatePatterns.push(`$${fieldNameIndex}:name = ${update}`);
@@ -810,17 +888,17 @@ export class PostgresStorageAdapter {
let qs = `UPDATE $1:name SET ${updatePatterns.join(',')} WHERE ${where.pattern} RETURNING *`;
debug('update: ', qs, values);
return this._client.any(qs, values)
.then(val => val[0]); // TODO: This is unsafe, verification is needed, or a different query method;
return this._client.any(qs, values); // TODO: This is unsafe, verification is needed, or a different query method;
}
// Hopefully, we can get rid of this. It's only used for config and hooks.
upsertOneObject(className, schema, query, update) {
debug('upsertOneObject', {className, query, update});
return this.createObject(className, schema, update).catch((err) => {
let createValue = Object.assign({}, query, update);
return this.createObject(className, schema, createValue).catch((err) => {
// ignore duplicate value errors as it's upsert
if (err.code == Parse.Error.DUPLICATE_VALUE) {
return;
return this.findOneAndUpdate(className, schema, query, update);
}
throw err;
});
@@ -882,8 +960,8 @@ export class PostgresStorageAdapter {
}
if (object[fieldName] && schema.fields[fieldName].type === 'GeoPoint') {
object[fieldName] = {
latitude: object[fieldName].x,
longitude: object[fieldName].y
latitude: object[fieldName].y,
longitude: object[fieldName].x
}
}
if (object[fieldName] && schema.fields[fieldName].type === 'File') {
@@ -972,8 +1050,7 @@ export class PostgresStorageAdapter {
throw err;
});
});
return Promise.all(promises).then(() => {
return Promise.all([
promises = promises.concat([
this._client.any(json_object_set_key).catch((err) => {
console.error(err);
}),
@@ -985,9 +1062,15 @@ export class PostgresStorageAdapter {
}),
this._client.any(array_remove).catch((err) => {
console.error(err);
}),
this._client.any(array_contains_all).catch((err) => {
console.error(err);
}),
this._client.any(array_contains).catch((err) => {
console.error(err);
})
]);
}).then(() => {
return Promise.all(promises).then(() => {
debug(`initialzationDone in ${new Date().getTime() - now}`);
})
}
@@ -1052,5 +1135,29 @@ AS $function$
SELECT array_to_json(ARRAY(SELECT * FROM jsonb_array_elements("array") as elt WHERE elt NOT IN (SELECT * FROM (SELECT jsonb_array_elements("values")) AS sub)))::jsonb;
$function$;`;
const array_contains_all = `CREATE OR REPLACE FUNCTION "array_contains_all"(
"array" jsonb,
"values" jsonb
)
RETURNS boolean
LANGUAGE sql
IMMUTABLE
STRICT
AS $function$
SELECT RES.CNT = jsonb_array_length("values") FROM (SELECT COUNT(*) as CNT FROM jsonb_array_elements("array") as elt WHERE elt IN (SELECT jsonb_array_elements("values"))) as RES ;
$function$;`;
const array_contains = `CREATE OR REPLACE FUNCTION "array_contains"(
"array" jsonb,
"values" jsonb
)
RETURNS boolean
LANGUAGE sql
IMMUTABLE
STRICT
AS $function$
SELECT RES.CNT >= 1 FROM (SELECT COUNT(*) as CNT FROM jsonb_array_elements("array") as elt WHERE elt IN (SELECT jsonb_array_elements("values"))) as RES ;
$function$;`;
export default PostgresStorageAdapter;
module.exports = PostgresStorageAdapter; // Required for tests