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Add check "The type of the foreign key must match the type of column …
…in the target table" (#471) * Update queries * Add new check * Javadoc * Add tests * Add logger and tests * Refactor Spring configuration * Refactor Spring configuration * Refactor Spring configuration #3 * Fix tests * Update PMD #2
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.../java/io/github/mfvanek/pg/checks/host/ForeignKeysWithUnmatchedColumnTypeCheckOnHost.java
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| /* | ||
| * Copyright (c) 2019-2024. Ivan Vakhrushev and others. | ||
| * https://github.com/mfvanek/pg-index-health | ||
| * | ||
| * This file is a part of "pg-index-health" - a Java library for | ||
| * analyzing and maintaining indexes health in PostgreSQL databases. | ||
| * | ||
| * Licensed under the Apache License 2.0 | ||
| */ | ||
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| package io.github.mfvanek.pg.checks.host; | ||
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| import io.github.mfvanek.pg.checks.extractors.ForeignKeyExtractor; | ||
| import io.github.mfvanek.pg.common.maintenance.Diagnostic; | ||
| import io.github.mfvanek.pg.connection.PgConnection; | ||
| import io.github.mfvanek.pg.model.PgContext; | ||
| import io.github.mfvanek.pg.model.constraint.ForeignKey; | ||
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| import java.util.List; | ||
| import javax.annotation.Nonnull; | ||
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| /** | ||
| * Check for foreign keys where the type of the constrained column does not match the type in the referenced table on a specific host. | ||
| * <p> | ||
| * The column types in the referring and target relation must match. | ||
| * For example, a column with the {@code integer} type should refer to a column with the {@code integer} type. | ||
| * This eliminates unnecessary conversions at the DBMS level and in the application code, | ||
| * and reduces the number of errors that may appear due to type inconsistencies in the future. | ||
| * | ||
| * @author Ivan Vahrushev | ||
| * @see <a href="https://www.postgresql.org/docs/current/catalog-pg-constraint.html">pg_constraint</a> | ||
| * @since 0.13.2 | ||
| */ | ||
| public class ForeignKeysWithUnmatchedColumnTypeCheckOnHost extends AbstractCheckOnHost<ForeignKey> { | ||
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| public ForeignKeysWithUnmatchedColumnTypeCheckOnHost(@Nonnull final PgConnection pgConnection) { | ||
| super(ForeignKey.class, pgConnection, Diagnostic.FOREIGN_KEYS_WITH_UNMATCHED_COLUMN_TYPE); | ||
| } | ||
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| /** | ||
| * Returns foreign keys where the type of the constrained column does not match the type in the referenced table. | ||
| * <p> | ||
| * For multi-column constraints returns only columns with differences. | ||
| * | ||
| * @param pgContext check's context with the specified schema; must not be null | ||
| * @return list of foreign keys where the type of the constrained column does not match the type in the referenced table | ||
| */ | ||
| @Nonnull | ||
| @Override | ||
| protected List<ForeignKey> doCheck(@Nonnull final PgContext pgContext) { | ||
| return executeQuery(pgContext, ForeignKeyExtractor.ofDefault()); | ||
| } | ||
| } |
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