QueryJoinExpression 查询 Join 子句

结构声明

TS Declaration

interface QueryJoinExpression {
    "concept": "QueryJoinExpression", // 产品概念
    "entityNamespace": string, // 实体的命名空间
    "entityName": string, // 实体名称
    "asName": string, // 别名
    "joinType": "INNER" | "LEFT" | "RIGHT" | "FULL", // joinType
    "onExpressions": Array<BinaryExpression>, // 二元表达式列表
    "joinParts": Array<QueryJoinExpression>, // 查询 Join 子句列表
}

Java Class

class QueryJoinExpressionTreeNode {
    ConceptEnum concept; // 产品概念
    String entityNamespace; // 实体的命名空间
    String entityName; // 实体名称
    String asName; // 别名
    JoinTypeEnum joinType; // joinType
    List<BinaryExpressionTreeNode> onExpressions; // 二元表达式列表
    List<QueryJoinExpressionTreeNode> joinParts; // 查询 Join 子句列表
}

JSON Schema

{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "$ref": "#/definitions/QueryJoinExpression",
    "definitions": {
        "QueryJoinExpression": {
            "type": "object",
            "properties": {
                "concept": {
                    "type": "string",
                    "const": "QueryJoinExpression"
                },
                "entityNamespace": {
                    "type": "string"
                },
                "entityName": {
                    "type": "string"
                },
                "asName": {
                    "type": "string"
                },
                "joinType": {
                    "type": "string",
                    "enum": [
                        "INNER",
                        "LEFT",
                        "RIGHT",
                        "FULL"
                    ]
                },
                "onExpressions": {
                    "type": "array",
                    "items": {
                        "$ref": "#/definitions/BinaryExpression"
                    }
                },
                "joinParts": {
                    "type": "array",
                    "items": {
                        "$ref": "#/definitions/QueryJoinExpression"
                    }
                }
            },
            "required": [
                "concept",
                "entityNamespace",
                "entityName",
                "asName",
                "joinType",
                "onExpressions",
                "joinParts"
            ],
            "additionalProperties": false
        }
    }
}

示例

简单示例

JSON

{
    "concept": "QueryJoinExpression",
    "entityNamespace": null,
    "entityName": null,
    "asName": null,
    "joinType": null,
    "onExpressions": [],
    "joinParts": []
}

YAML

concept: QueryJoinExpression
entityNamespace: null
entityName: null
asName: null
joinType: null
onExpressions: []
joinParts: []