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code cleanup

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This commit is contained in:
Jan Prochazka
2020-12-29 12:19:22 +01:00
parent 10a213d8a3
commit 3f318fdef5
1 changed files with 0 additions and 200 deletions
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200
packages/web/src/designer/generateDesignedQuery.ts
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@@ -217,84 +217,10 @@ class DesignerQueryDumper {
} }
} }
// function groupByComponents(
// tables: DesignerTableInfo[],
// references: DesignerReferenceInfo[],
// joinTypes: string[],
// primaryTable: DesignerTableInfo
// ) {
// let components = tables.map((table) => [table]);
// for (const ref of references) {
// if (joinTypes.includes(ref.joinType)) {
// const comp1 = components.find((comp) => comp.find((t) => t.designerId == ref.sourceId));
// const comp2 = components.find((comp) => comp.find((t) => t.designerId == ref.targetId));
// if (comp1 && comp2 && comp1 != comp2) {
// // join components
// components = [...components.filter((x) => x != comp1 && x != comp2), [...comp1, ...comp2]];
// }
// }
// }
// if (primaryTable) {
// const primaryComponent = components.find((comp) => comp.find((t) => t == primaryTable));
// if (primaryComponent) {
// components = [primaryComponent, ...components.filter((x) => x != primaryComponent)];
// }
// }
// return components;
// }
function findPrimaryTable(tables: DesignerTableInfo[]) { function findPrimaryTable(tables: DesignerTableInfo[]) {
return _.minBy(tables, (x) => x.top); return _.minBy(tables, (x) => x.top);
} }
function findJoinType(
table: DesignerTableInfo,
dumpedTables: DesignerTableInfo[],
references: DesignerReferenceInfo[],
joinTypes = ['INNER JOIN', 'LEFT JOIN', 'RIGHT JOIN', 'FULL OUTER JOIN', 'WHERE EXISTS', 'WHERE NOT EXISTS']
): DesignerJoinType {
const dumpedTableIds = dumpedTables.map((x) => x.designerId);
const reference = references.find(
(x) =>
joinTypes.includes(x.joinType) &&
((x.sourceId == table.designerId && dumpedTableIds.includes(x.targetId)) ||
(x.targetId == table.designerId && dumpedTableIds.includes(x.sourceId)))
);
if (reference) return reference.joinType || 'CROSS JOIN';
return 'CROSS JOIN';
}
function sortTablesByReferences(
dumpedTables: DesignerTableInfo[],
tables: DesignerTableInfo[],
references: DesignerReferenceInfo[],
joinTypes = ['INNER JOIN', 'LEFT JOIN', 'RIGHT JOIN', 'FULL OUTER JOIN', 'WHERE EXISTS', 'WHERE NOT EXISTS']
) {
const res = [];
const dumpedTableIds = dumpedTables.map((x) => x.designerId);
const toAdd = [...tables];
while (toAdd.length > 0) {
let found = false;
for (const test of toAdd) {
const reference = references.find(
(x) =>
joinTypes.includes(x.joinType) &&
((x.sourceId == test.designerId && dumpedTableIds.includes(x.targetId)) ||
(x.targetId == test.designerId && dumpedTableIds.includes(x.sourceId)))
);
if (reference) {
res.push(test);
_.remove(toAdd, (x) => x == test);
dumpedTableIds.push(test.designerId);
found = true;
break;
}
}
if (!found) break;
}
res.push(...toAdd);
return res;
}
function getReferenceConditions(reference: DesignerReferenceInfo, designer: DesignerInfo): Condition[] { function getReferenceConditions(reference: DesignerReferenceInfo, designer: DesignerInfo): Condition[] {
const sourceTable = designer.tables.find((x) => x.designerId == reference.sourceId); const sourceTable = designer.tables.find((x) => x.designerId == reference.sourceId);
@@ -322,65 +248,6 @@ function getReferenceConditions(reference: DesignerReferenceInfo, designer: Desi
})); }));
} }
function findConditions(
table: DesignerTableInfo,
dumpedTables: DesignerTableInfo[],
references: DesignerReferenceInfo[],
tables: DesignerTableInfo[]
): Condition[] {
const dumpedTableIds = dumpedTables.map((x) => x.designerId);
const res = [];
for (const reference of references.filter(
(x) =>
(x.sourceId == table.designerId && dumpedTableIds.includes(x.targetId)) ||
(x.targetId == table.designerId && dumpedTableIds.includes(x.sourceId))
)) {
const sourceTable = tables.find((x) => x.designerId == reference.sourceId);
const targetTable = tables.find((x) => x.designerId == reference.targetId);
res.push(
...reference.columns.map((col) => ({
conditionType: 'binary',
operator: '=',
left: {
exprType: 'column',
columnName: col.source,
source: {
name: sourceTable,
alias: sourceTable.alias,
},
},
right: {
exprType: 'column',
columnName: col.target,
source: {
name: targetTable,
alias: targetTable.alias,
},
},
}))
);
}
return res;
}
function addRelations(
relations: Relation[],
tables: DesignerTableInfo[],
dumpedTables: DesignerTableInfo[],
designer: DesignerInfo
) {
for (const table of tables) {
if (dumpedTables.includes(table)) continue;
relations.push({
name: table,
alias: table.alias,
joinType: findJoinType(table, dumpedTables, designer.references) as JoinType,
conditions: findConditions(table, dumpedTables, designer.references, designer.tables),
});
dumpedTables.push(table);
}
}
export default function generateDesignedQuery(designer: DesignerInfo, engine: EngineDriver) { export default function generateDesignedQuery(designer: DesignerInfo, engine: EngineDriver) {
const { tables, columns, references } = designer; const { tables, columns, references } = designer;
const primaryTable = findPrimaryTable(designer.tables); const primaryTable = findPrimaryTable(designer.tables);
@@ -389,73 +256,6 @@ export default function generateDesignedQuery(designer: DesignerInfo, engine: En
const designerDumper = new DesignerQueryDumper(designer, componentCreator.components); const designerDumper = new DesignerQueryDumper(designer, componentCreator.components);
const select = designerDumper.run(); const select = designerDumper.run();
// const components = groupByComponents(
// designer.tables,
// designer.references,
// ['INNER JOIN', 'LEFT JOIN', 'RIGHT JOIN', 'FULL OUTER JOIN', 'WHERE EXISTS', 'WHERE NOT EXISTS'],
// primaryTable
// );
// const select: Select = {
// commandType: 'select',
// from: {
// name: primaryTable,
// alias: primaryTable.alias,
// relations: [],
// },
// };
// const dumpedTables = [primaryTable];
// const conditions: Condition[] = [];
// for (const component of components) {
// const subComponents = groupByComponents(
// component,
// designer.references,
// ['INNER JOIN', 'LEFT JOIN', 'RIGHT JOIN', 'FULL OUTER JOIN'],
// primaryTable
// );
// for (const subComponent of subComponents) {
// const sortedSubComponent = sortTablesByReferences(dumpedTables, subComponent, designer.references);
// const table0 = sortedSubComponent[0];
// const joinType0 = findJoinType(table0, dumpedTables, designer.references);
// if (joinType0 == 'WHERE EXISTS' || joinType0 == 'WHERE NOT EXISTS') {
// const subselect: Select = {
// commandType: 'select',
// from: {
// name: table0,
// alias: table0.alias,
// relations: [],
// },
// };
// dumpedTables.push(table0);
// addRelations(subselect.from.relations, sortedSubComponent, dumpedTables, designer);
// conditions.push({
// conditionType: joinType0 == 'WHERE EXISTS' ? 'exists' : 'notExists',
// subQuery: subselect,
// });
// } else {
// addRelations(select.from.relations, sortedSubComponent, dumpedTables, designer);
// // for (const table of sortedSubComponent) {
// // if (dumpedTables.includes(table)) continue;
// // select.from.relations.push({
// // name: table,
// // alias: table.alias,
// // joinType: findJoinType(table, dumpedTables, designer.references) as JoinType,
// // conditions: findConditions(table, dumpedTables, designer.references, designer.tables),
// // });
// // dumpedTables.push(table);
// // }
// }
// }
// }
// if (conditions.length > 0) {
// select.where = {
// conditionType: 'and',
// conditions,
// };
// }
const dmp = engine.createDumper(); const dmp = engine.createDumper();
dumpSqlSelect(dmp, select); dumpSqlSelect(dmp, select);
return dmp.s; return dmp.s;