ddl-manager/dist/cache/processor/SetItemsFactory.js

store postgres procedures and triggers in files

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.SetItemsFactory = void 0;
const ast_1 = require("../../ast");
const TableReference_1 = require("../../database/schema/TableReference");
class SetItemsFactory {
    constructor(context) {
        this.context = context;
    }
    jsonColumnName() {
        return this.context.cache.jsonColumnName();
    }
    minus() {
        const nextJson = `${this.jsonColumnName()} - old.id::text`;
        return this.setSelect(nextJson);
    }
    plus() {
        const cache = this.context.cache;
        const nextJson = `cm_merge_json(
            ${this.jsonColumnName()},
            ${cache.getSourceRowJson("new")},
            TG_OP
        )`;
        return this.setSelect(nextJson);
    }
    setSelect(nextJson) {
        const cache = this.context.cache;
        const fromRef = cache.select.getFromTable();
        const sourceAlias = "source_row";
        const orderBy = cache.select.getDeterministicOrderBy();
        return [
            new ast_1.SetItem({
                column: this.jsonColumnName(),
                value: new ast_1.HardCode({
                    sql: nextJson
                })
            }),
            new ast_1.SetSelectItem({
                columns: cache.select.columns
                    .map(column => column.name),
                select: cache.select.fixArraySearchForDifferentArrayTypes().clone({
                    from: [new ast_1.From({
                            source: new ast_1.Select({
                                columns: [
                                    new ast_1.SelectColumn({
                                        name: "*",
                                        expression: ast_1.Expression.unknown("record.*")
                                    })
                                ],
                                from: [new ast_1.From({
                                        source: new ast_1.FuncCall("jsonb_each", [ast_1.Expression.unknown(nextJson)]),
                                        as: "json_entry",
                                        joins: [
                                            new ast_1.Join("left join lateral", new ast_1.HardCode({
                                                sql: `jsonb_populate_record(null::${this.context.triggerTable}, json_entry.value) as record`
                                            }), ast_1.Expression.unknown("true"))
                                        ]
                                    })]
                            }),
                            as: sourceAlias,
                            joins: cache.select.from[0].joins
                        })],
                    orderBy
                }).replaceTable(fromRef, new TableReference_1.TableReference(this.context.triggerTable, sourceAlias))
            })
        ];
    }
}
exports.SetItemsFactory = SetItemsFactory;
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