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@landra_sistemas/fql-parser

v0.1.7

Published

Tool to convert searchstring (key:value ...) to SQL WHERE set of conditions

Downloads

21

Readme

FQL (Fast Query Language) Parser

Tool to convert searchstring (key:value ...) to SQL WHERE set of conditions

El proyecto se encuentra en desarrollo. Su objetivo es el de convertir a SQL (básico o knex) querys de tipo searchstring:

test1:asdf AND (columna:valor_a_buscar OR test:1,2,3)

Sintáxis

  • Búsqueda sencilla

clave:valor

  • Negar búsqueda

clave!:valor

  • Mayor que

clave>:valor

  • Menor que

clave<:valor

  • Rango de valores

clave:[valor1 TO valor2]

  • Múltiples valores

clave:valor1,valor2,valor3

  • Condiciones con espacios

clave:"condición larga con espacios"

  • Búsqueda global incluyente

+texto

  • Búsqueda global excluyente

-texto

Opciones

El sistema dispone de las siguientes opciones:

  • aliases: Objeto cuya clave es la tabla a la que aplica y su valor es un mapa de columnas->aliases
{
    "table": {
        "*": "data->>'{{key}}'",
        "column1": "column1_modified::text",
        "column2": "column2::text",
    },
}

* -> Wildcard utilizado para aplicar el alias a todas las columnas de la tabla

{{key}} -> Reemplaza el alias con la clave utilizada en la consulta

  • allowGlobalSearch: Permite la utilización de las búsquedas globales (+xxx -yyy) ya que no funcionan en todos los sistemas de Bases de datos. (Actualmente solo postgres)
  • caseInsensitive: Permite la utilización de ILIKE en las búsquedas para hacer que las búsquedas sean case insensitive. (Actualmente solo postgres)