Postgresql中DDL的双引号问题

org.jooq.exception.DataAccessException: sql [insert into "public"."tb_purchase" ("id", "billId", "detid", "productid", "num", "price", "create_time", "update_time", "status") values (?, ?, ?, ?, ?, ?, cast(? as timestamp), cast(? as timestamp), ?)]; ERROR: column "billId" of relation "tb_purchase" does not exist
  Position: 57
        at org.jooq.impl.Tools.translate(Tools.java:1941)
        at org.jooq.impl.DefaultExecuteContext.sqlException(DefaultExecuteContext.java:659)
        at org.jooq.impl.AbstractQuery.execute(AbstractQuery.java:362)
        at org.jooq.impl.AbstractDelegatingQuery.execute(AbstractDelegatingQuery.java:135)
        ... ...
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:802)
        at org.apache.Tomcat.util.net.NIOEndpoint$SocketProcessor.doRun(NioEndpoint.java:1410)
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:745)
Caused by: org.postgresql.util.PSQLException: ERROR: column "billId" of relation "tb_purchase" does not exist
  Position: 57
        at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2310)
        at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2023)
        at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:217)
        at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:421)
        at org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(PgPreparedStatement.java:166)
        at org.postgresql.jdbc.PgPreparedStatement.execute(PgPreparedStatement.java:159)
        at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.execute(NewProxyPreparedStatement.java:989)
        at org.jooq.tools.jdbc.DefaultPreparedStatement.execute(DefaultPreparedStatement.java:194)
        at org.jooq.impl.AbstractQuery.execute(AbstractQuery.java:430)
        at org.jooq.impl.AbstractDMLQuery.execute(AbstractDMLQuery.java:334)
        at org.jooq.impl.AbstractQuery.execute(AbstractQuery.java:348)
        ... 101 more