json_schema: {
      "description": "Schema for Pssimistical config",
      "properties": {
          "inputs": {
              "items": {
                  "properties": {
                      "path": {
                          "type": "string"
                      },
                      "reader": {
                          "type": "string"
                      },
                      "table": {
                          "type": "string"
                      }
                  },
                  "required": [
                      "path",
                      "table",
                      "reader"
                  ],
                  "type": "object"
              },
              "minItems": 1,
              "type": "array"
          },
          "query": {
              "properties": {
                  "outputFile": {
                      "type": "string"
                  },
                  "outputFormat": {
                      "type": "string"
                  },
                  "sql": {
                      "type": "string"
                  }
              },
              "required": [
                  "sql",
                  "outputFormat"
              ],
              "type": "object"
          },
          "readers": {
              "patternProperties": {
                  "\\w+": {
                      "properties": {
                          "columnMappings": {
                              "type": "object"
                          },
                          "columns": {
                              "items": {
                                  "type": "string"
                              },
                              "minItems": 1,
                              "type": "array"
                          },
                          "readerProperties": {
                              "type": "object"
                          },
                          "type": {
                              "type": "string"
                          }
                      },
                      "required": [
                          "type",
                          "columns"
                      ],
                      "type": "object"
                  }
              },
              "type": "object"
          },
          "tables": {
              "items": {
                  "properties": {
                      "columns": {
                          "items": {
                              "properties": {
                                  "index": {
                                      "type": "boolean"
                                  },
                                  "name": {
                                      "pattern": "^[a-zA-Z_][a-zA-Z0-9_]*$",
                                      "type": "string"
                                  },
                                  "type": {
                                      "enum": [
                                          "number",
                                          "text",
                                          "date"
                                      ]
                                  }
                              },
                              "required": [
                                  "name",
                                  "type"
                              ],
                              "type": "object"
                          },
                          "minItems": 1,
                          "type": "array"
                      },
                      "name": {
                          "pattern": "^[a-zA-Z_][a-zA-Z0-9_]*$",
                          "type": "string"
                      }
                  },
                  "required": [
                      "name",
                      "columns"
                  ],
                  "type": "object"
              },
              "minItems": 1,
              "type": "array"
          }
      },
      "required": [
          "tables",
          "inputs"
      ],
      "type": "object"
  }