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

store postgres procedures and triggers in files

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.findNecessaryTableMatrix = void 0;
const findMinimalRoute_1 = require("./findMinimalRoute");
const buildConditionsMatrix_1 = require("./buildConditionsMatrix");
function findNecessaryTableMatrix(context) {
    const conditionsMatrix = buildConditionsMatrix_1.buildConditionsMatrix(context.cache);
    const linksToChangedTable = context.getTableReferencesToTriggerTable();
    const necessaryTableMatrix = [];
    for (const andConditions of conditionsMatrix) {
        const necessaryTableAliases = [];
        const graph = andConditions.map(condition => {
            const points = condition.getColumnReferences()
                .map(columnRef => columnRef.tableReference.getIdentifier());
            return points;
        });
        for (const changedTableInSelect of linksToChangedTable) {
            const minimalRoute = findMinimalRoute_1.findMinimalRoute({
                graph,
                start: changedTableInSelect.getIdentifier(),
                end: context.cache.for.getIdentifier()
            });
            if (!minimalRoute) {
                continue;
            }
            const middlePoints = minimalRoute.slice(1, -1);
            for (const middlePoint of middlePoints) {
                if (necessaryTableAliases.includes(middlePoint)) {
                    continue;
                }
                necessaryTableAliases.push(middlePoint);
            }
        }
        necessaryTableMatrix.push(necessaryTableAliases);
    }
    return necessaryTableMatrix;
}
exports.findNecessaryTableMatrix = findNecessaryTableMatrix;
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