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Pavel Tupitsyn commented on IGNITE-6772: ---------------------------------------- [~rkondakov] you are right, .NET tests should be fixed, please go ahead. > SQL exception messages are not descriptive > ------------------------------------------ > > Key: IGNITE-6772 > URL: https://issues.apache.org/jira/browse/IGNITE-6772 > Project: Ignite > Issue Type: Bug > Components: sql > Reporter: Pavel Tupitsyn > Assignee: Roman Kondakov > Labels: usability > Fix For: 2.4 > > > Top level SQL exception messages are cryptic and not descriptive. Real > details are buried deep inside inner exceptions. > For example, when there is a typo in table name, exception looks like this: > {code} > class org.apache.ignite.IgniteCheckedException: Failed to parse query: SELECT > "persons-sql"."PERSON"._KEY, "persons-sql"."PERSON"._VAL from Person1, > "orgs-sql".Organization where Person.OrgId = "orgs-sql".Organization._key and > "orgs-sql".Organization.Name = ? > at > org.apache.ignite.internal.processors.platform.utils.PlatformUtils.unwrapQueryException(PlatformUtils.java:510) > at > org.apache.ignite.internal.processors.platform.cache.PlatformCache.runQuery(PlatformCache.java:1219) > at > org.apache.ignite.internal.processors.platform.cache.PlatformCache.processInStreamOutObject(PlatformCache.java:875) > at > org.apache.ignite.internal.processors.platform.PlatformTargetProxyImpl.inStreamOutObject(PlatformTargetProxyImpl.java:77) > Caused by: javax.cache.CacheException: class > org.apache.ignite.internal.processors.query.IgniteSQLException: Failed to > parse query: SELECT "persons-sql"."PERSON"._KEY, "persons-sql"."PERSON"._VAL > from Person1, "orgs-sql".Organization where Person.OrgId = > "orgs-sql".Organization._key and "orgs-sql".Organization.Name = ? > at > org.apache.ignite.internal.processors.cache.IgniteCacheProxy.query(IgniteCacheProxy.java:807) > at > org.apache.ignite.internal.processors.platform.cache.PlatformCache.runQuery(PlatformCache.java:1213) > ... 2 more > Caused by: class > org.apache.ignite.internal.processors.query.IgniteSQLException: Failed to > parse query: SELECT "persons-sql"."PERSON"._KEY, "persons-sql"."PERSON"._VAL > from Person1, "orgs-sql".Organization where Person.OrgId = > "orgs-sql".Organization._key and "orgs-sql".Organization.Name = ? > at > org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.queryDistributedSqlFields(IgniteH2Indexing.java:1293) > at > org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.queryDistributedSql(IgniteH2Indexing.java:1198) > at > org.apache.ignite.internal.processors.query.GridQueryProcessor$8.applyx(GridQueryProcessor.java:1957) > at > org.apache.ignite.internal.processors.query.GridQueryProcessor$8.applyx(GridQueryProcessor.java:1955) > at > org.apache.ignite.internal.util.lang.IgniteOutClosureX.apply(IgniteOutClosureX.java:36) > at > org.apache.ignite.internal.processors.query.GridQueryProcessor.executeQuery(GridQueryProcessor.java:2293) > at > org.apache.ignite.internal.processors.query.GridQueryProcessor.queryDistributedSql(GridQueryProcessor.java:1954) > at > org.apache.ignite.internal.processors.query.GridQueryProcessor.querySql(GridQueryProcessor.java:1934) > at > org.apache.ignite.internal.processors.cache.IgniteCacheProxy.query(IgniteCacheProxy.java:792) > ... 3 more > Caused by: org.h2.jdbc.JdbcSQLException: Table "PERSON1" not found; SQL > statement: > SELECT "persons-sql"."PERSON"._KEY, "persons-sql"."PERSON"._VAL from Person1, > "orgs-sql".Organization where Person.OrgId = "orgs-sql".Organization._key and > "orgs-sql".Organization.Name = ? [42102-195] > at org.h2.message.DbException.getJdbcSQLException(DbException.java:345) > at org.h2.message.DbException.get(DbException.java:179) > at org.h2.message.DbException.get(DbException.java:155) > at org.h2.command.Parser.readTableOrView(Parser.java:5506) > at org.h2.command.Parser.readTableFilter(Parser.java:1260) > at org.h2.command.Parser.parseSelectSimpleFromPart(Parser.java:1940) > at org.h2.command.Parser.parseSelectSimple(Parser.java:2089) > at org.h2.command.Parser.parseSelectSub(Parser.java:1934) > at org.h2.command.Parser.parseSelectUnion(Parser.java:1749) > at org.h2.command.Parser.parseSelect(Parser.java:1737) > at org.h2.command.Parser.parsePrepared(Parser.java:448) > at org.h2.command.Parser.parse(Parser.java:320) > at org.h2.command.Parser.parse(Parser.java:292) > at org.h2.command.Parser.prepareCommand(Parser.java:257) > at org.h2.engine.Session.prepareLocal(Session.java:573) > at org.h2.engine.Session.prepareCommand(Session.java:514) > at org.h2.jdbc.JdbcConnection.prepareCommand(JdbcConnection.java:1204) > at org.h2.jdbc.JdbcPreparedStatement.<init>(JdbcPreparedStatement.java:73) > at org.h2.jdbc.JdbcConnection.prepareStatement(JdbcConnection.java:288) > at > org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.prepareStatement(IgniteH2Indexing.java:398) > at > org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing.queryDistributedSqlFields(IgniteH2Indexing.java:1273) > {code} > As we can see, top level message is {{Failed to parse query}}, but the real > problem that user needs to know is {{Table "PERSON1" not found}}. We should > make sure that top level message includes the useful information and not some > internal implementation details. > Make sure to add unit tests for common SQL query problems: > * Incorrect table name > * Incorrect column name > * Syntax error (shoukd include character index) > Error messages are part of the API. -- This message was sent by Atlassian JIRA (v6.4.14#64029)