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sqlite数据库方言配置
1. application.properties配置sqlite数据库
spring.datasource.url = jdbc:sqlite:C:/test/sqlite/DB/sqlite.dbspring.datasource.driverClassName = org.sqlite.JDBCspring.jpa.database = SQLitespring.jpa.show-sql = truespring.jpa.hibernate.ddl-auto = updatespring.jpa.hibernate.naming-strategy = org.hibernate.cfg.ImprovedNamingStrategyspring.jpa.properties.hibernate.dialect = test.utils.SQLiteDialectmultipart.maxFileSize=10Mb
2. 本地添加方言文件
package test.utils;import java.sql.Types;import org.hibernate.dialect.Dialect;import org.hibernate.dialect.function.StandardSQLFunction;import org.hibernate.dialect.function.SQLFunctionTemplate;import org.hibernate.dialect.function.VarArgsSQLFunction;import org.hibernate.type.StandardBasicTypes;public class SQLiteDialect extends Dialect { public SQLiteDialect() { super(); registerColumnType(Types.BIT, "integer"); registerColumnType(Types.TINYINT, "tinyint"); registerColumnType(Types.SMALLINT, "smallint"); registerColumnType(Types.INTEGER, "integer"); registerColumnType(Types.BIGINT, "bigint"); registerColumnType(Types.FLOAT, "float"); registerColumnType(Types.REAL, "real"); registerColumnType(Types.DOUBLE, "double"); registerColumnType(Types.NUMERIC, "numeric"); registerColumnType(Types.DECIMAL, "decimal"); registerColumnType(Types.CHAR, "char"); registerColumnType(Types.VARCHAR, "varchar"); registerColumnType(Types.LONGVARCHAR, "longvarchar"); registerColumnType(Types.DATE, "date"); registerColumnType(Types.TIME, "time"); registerColumnType(Types.TIMESTAMP, "timestamp"); registerColumnType(Types.BINARY, "blob"); registerColumnType(Types.VARBINARY, "blob"); registerColumnType(Types.LONGVARBINARY, "blob"); // registerColumnType(Types.NULL, "null"); registerColumnType(Types.BLOB, "blob"); registerColumnType(Types.CLOB, "clob"); registerColumnType(Types.BOOLEAN, "integer"); registerFunction("concat", new VarArgsSQLFunction(StandardBasicTypes.STRING, "", "||", "")); registerFunction("mod", new SQLFunctionTemplate(StandardBasicTypes.INTEGER, "?1 % ?2")); registerFunction("substr", new StandardSQLFunction("substr", StandardBasicTypes.STRING)); registerFunction("substring", new StandardSQLFunction("substr", StandardBasicTypes.STRING)); } public boolean supportsIdentityColumns() { return true; } public boolean hasDataTypeInIdentityColumn() { return false; } public String getIdentityColumnString() { return "integer"; } public String getIdentitySelectString() { return "select last_insert_rowid()"; } public boolean supportsLimit() { return true; } public String getLimitString(String query, boolean hasOffset) { return new StringBuffer(query.length() + 20).append(query).append(hasOffset ? " limit ? offset ?" : " limit ?") .toString(); } public boolean supportsTemporaryTables() { return true; } public String getCreateTemporaryTableString() { return "create temporary table if not exists"; } public boolean dropTemporaryTableAfterUse() { return false; } public boolean supportsCurrentTimestampSelection() { return true; } public boolean isCurrentTimestampSelectStringCallable() { return false; } public String getCurrentTimestampSelectString() { return "select current_timestamp"; } public boolean supportsUnionAll() { return true; } public boolean hasAlterTable() { return false; } public boolean dropConstraints() { return false; } public String getAddColumnString() { return "add column"; } public String getForUpdateString() { return ""; } public boolean supportsOuterJoinForUpdate() { return false; } public String getDropForeignKeyString() { throw new UnsupportedOperationException("No drop foreign key syntax supported by SQLiteDialect"); } public String getAddForeignKeyConstraintString(String constraintName, String[] foreignKey, String referencedTable, String[] primaryKey, boolean referencesPrimaryKey) { throw new UnsupportedOperationException("No add foreign key syntax supported by SQLiteDialect"); } public String getAddPrimaryKeyConstraintString(String constraintName) { throw new UnsupportedOperationException("No add primary key syntax supported by SQLiteDialect"); } public boolean supportsIfExistsBeforeTableName() { return true; } public boolean supportsCascadeDelete() { return false; } @Override public boolean bindLimitParametersInReverseOrder() { return true; }}
sqlite数据库方言配置
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