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alter processor

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This commit is contained in:
Jan Prochazka
2021-06-27 20:44:02 +02:00
parent 05a65dab3c
commit 67a793038b
7 changed files with 392 additions and 11 deletions
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69
packages/tools/src/database-info-alter-processor.ts Normal file
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import { ColumnInfo, ConstraintInfo, DatabaseInfo, ForeignKeyInfo, PrimaryKeyInfo, TableInfo } from '../../types';
export class DatabaseInfoAlterProcessor {
constructor(public db: DatabaseInfo) {}
createTable(table: TableInfo) {
this.db.tables.push(table);
}
dropTable(table: TableInfo) {
this.db.tables = this.db.tables.filter(x => x.pureName != table.pureName && x.schemaName != table.schemaName);
}
createColumn(column: ColumnInfo) {
const table = this.db.tables.find(x => x.pureName == column.pureName && x.schemaName == column.schemaName);
table.columns.push(column);
}
changeColumn(oldColumn: ColumnInfo, newColumn: ColumnInfo) {
const table = this.db.tables.find(x => x.pureName == oldColumn.pureName && x.schemaName == oldColumn.schemaName);
table.columns = table.columns.map(x => (x.columnName == oldColumn.columnName ? newColumn : x));
}
dropColumn(column: ColumnInfo) {
const table = this.db.tables.find(x => x.pureName == column.pureName && x.schemaName == column.schemaName);
table.columns = table.columns.filter(x => x.columnName != column.columnName);
}
createConstraint(constraint: ConstraintInfo) {
const table = this.db.tables.find(x => x.pureName == constraint.pureName && x.schemaName == constraint.schemaName);
switch (constraint.constraintType) {
case 'primaryKey':
table.primaryKey = constraint as PrimaryKeyInfo;
break;
case 'foreignKey':
table.foreignKeys.push(constraint as ForeignKeyInfo);
break;
}
}
changeConstraint(oldConstraint: ConstraintInfo, newConstraint: ConstraintInfo) {
const table = this.db.tables.find(
x => x.pureName == oldConstraint.pureName && x.schemaName == oldConstraint.schemaName
);
}
dropConstraint(constraint: ConstraintInfo) {
const table = this.db.tables.find(x => x.pureName == constraint.pureName && x.schemaName == constraint.schemaName);
switch (constraint.constraintType) {
case 'primaryKey':
table.primaryKey = null;
break;
case 'foreignKey':
table.foreignKeys = table.foreignKeys.filter(x => x.constraintName != constraint.constraintName);
break;
}
}
renameTable(table: TableInfo, newName: string) {
this.db.tables.find(x => x.pureName == table.pureName && x.schemaName == table.schemaName).pureName = newName;
}
renameColumn(column: ColumnInfo, newName: string) {
const table = this.db.tables.find(x => x.pureName == column.pureName && x.schemaName == column.schemaName);
table.columns.find(x => x.columnName == column.columnName).columnName = newName;
}
renameConstraint(constraint: ConstraintInfo, newName: string) {}
}