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Feature: Bulk insert, delete, read - npm v0.2.5

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oof1lab
2017-11-13 12:41:00 +05:30
parent 3da5e3c0c0
commit fb97051753
8 changed files with 311 additions and 67 deletions
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71
lib/xsql.js
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@@ -173,6 +173,65 @@ class Xsql {
}
getBulkInsertStatement(tableName, objectArray, queryParamsObj) {
if (tableName in this.metaDb.tables && objectArray) {
let insObj = objectArray[0];
// goal => insert into ?? (?,?..?) values ? [tablName, col1,col2...coln,[[ObjValues_1],[ObjValues_2],...[ObjValues_N]]
queryParamsObj.query = ' INSERT INTO ?? ( '
queryParamsObj.params.push(tableName)
let cols = [];
let colPresent = false;
/**************** START : prepare column names to be inserted ****************/
// iterate over all column in table and have only ones existing in objects to be inserted
for (var i = 0; i < this.metaDb.tables[tableName]['columns'].length; ++i) {
let colName = this.metaDb.tables[tableName]['columns'][i]['column_name']
if (colName in insObj) {
if (colPresent) {
queryParamsObj.query += ','
}
queryParamsObj.query += colName
colPresent = true;
}
cols.push(colName)
//console.log('> > ', queryParamsObj.query);
}
queryParamsObj.query += ' ) values ?'
/**************** END : prepare column names to be inserted ****************/
/**************** START : prepare value object in prepared statement ****************/
// iterate over sent object array
let arrOfArr = []
for (var i = 0; i < objectArray.length; ++i) {
let arrValues = []
for (var j = 0; j < cols.length; ++j) {
if (cols[j] in objectArray[i])
arrValues.push(objectArray[i][cols[j]])
}
arrOfArr.push(arrValues);
}
queryParamsObj.params.push(arrOfArr)
/**************** END : prepare value object in prepared statement ****************/
}
}
getGroupByClause(_groupby, tableName, queryParamsObj) {
if (_groupby) {
@@ -350,6 +409,14 @@ class Xsql {
}
getPrimaryKeyName(tableName) {
let pk = null
if (tableName in this.metaDb.tables) {
pk = this.metaDb.tables[tableName].primaryKeys[0]['column_name']
}
return pk
}
getPrimaryKeyWhereClause(tableName, pksValues) {
let whereClause = '';
@@ -462,6 +529,9 @@ class Xsql {
routes.push(this.prepareRoute(internal, 'get', apiPrefix, tableName + '/findOne', 'findOne'))
routes.push(this.prepareRoute(internal, 'post', apiPrefix, tableName, 'create'))
routes.push(this.prepareRoute(internal, 'get', apiPrefix, tableName, 'list'))
routes.push(this.prepareRoute(internal, 'post', apiPrefix, tableName + '/bulk', 'bulkInsert'))
routes.push(this.prepareRoute(internal, 'get', apiPrefix, tableName + '/bulk', 'bulkRead'))
routes.push(this.prepareRoute(internal, 'delete', apiPrefix, tableName + '/bulk', 'bulkDelete'))
routes.push(this.prepareRoute(internal, 'put', apiPrefix, tableName, 'update'))
routes.push(this.prepareRoute(internal, 'get', apiPrefix, tableName + '/:id', 'read'))
routes.push(this.prepareRoute(internal, 'patch', apiPrefix, tableName + '/:id', 'patch'))
@@ -570,7 +640,6 @@ class Xsql {
}
}