genql

Helper for generating and formatting SQL queries

  • genql

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genql
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Helper for SQL query generating and formatting

Install

npm i genql

Usage

const GenQL = require('genql');
const model = require('./data/model.json');

const $ = new GenQL(model);
const fields = $._select();
const fieldPrefix = $._select('$');
console.log(fields);
console.log(fieldPrefix);

// OUTPUT -> {{fields}}
// [
//  'id',
//  'name',
//  'email',
//  'COALESCE(NULLIF(class, ''), cls)',
//  'status'
// ]

// OUTPUT -> {{fieldPrefix}}
// [
//  '$.id',
//  '$.name',
//  '$.email',
//  'COALESCE(NULLIF($.class, ''), cls)',
//  '$.status'
// ]

API

  • _default(field)
- Returns default value for the field from model - Params
- field (string)
  • _insert(prefix)
- Returns all the fields from model, except the auto fields. Uses optional prefix and appends it to column name - Params
- prefix (String) {Optional}
  • _join(prefix)
- Returns all the fields from model, appended with join_key as prefix which is defined in model. Uses optional prefix and appends it to column name - Params
- prefix (String) {Optional}
  • _findPrivate(prefix)
- Returns all the column which have private flag defined with it in the model. Uses optinal prefix and appends it to column names - Params
- prefix (String) {Optional}
  • _removePrivate(data)
- Removes all the values from data object which are marked as private column in model - Params
- data {JSON}
  • _values(data)
- Returns list of values from data object for all the columns from model which are not marked as private - Params
- data (JSON)
  • _select(prefix)
- Returns all the fields from model and uses alternate column if defined in model. Uses optional prefix and appends it to column name - Params
- prefix (String) {Optional}
  • _update(fields, data)
- Returns list of values from data for the input fields - Params
- fields (Array)
- data (JSON)
Note: Sample model definition is available in data/model.json

Contributing

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Read our contributing guide on getting started with contributing to the codebase

Contributors

Thank you to all the contributors who have helped us in making this project better :raisedhands: