Oracle-procedure aanroepen met PL/SQL-record Type uit Spring JDBC

Helaas biedt het Oracle JDBC-stuurprogramma geen toegang tot de PL/SQL RECORD type, noch voor IN noch voor OUT parameters.

Tussenoplossing voor een enkele procedure-aanroep:

Maar u kunt deze beperking omzeilen door rechtstreeks een anoniem PL/SQL-blok in JDBC (of Spring JDBC) te gebruiken:

DECLARE
  rec MY_PACKAGE.MY_RECORD;
BEGIN

  -- Replace these by your actual record attributes:
  rec.first_name := ?;
  rec.last_name := ?;
  ...

  p_insertclient(rec);
END;

Dit werkt prima voor een enkele procedure-aanroep.

Solide oplossing voor veel van deze oproepen:

Als je het bovenstaande vrij vaak doet, is het de moeite waard om stubs te genereren die de anonieme PL/SQL-strings automatisch produceren, in plaats van die steeds handmatig te schrijven. U kunt automatisch alle PL/SQL RECORD . ontdekken typt in uw schema met de volgende vraag:

SELECT
  x.TYPE_OWNER, x.TYPE_NAME, x.TYPE_SUBNAME, a.ARGUMENT_NAME ATTR_NAME,
  a.SEQUENCE ATTR_NO, a.TYPE_OWNER ATTR_TYPE_OWNER,
  nvl2(a.TYPE_SUBNAME, a.TYPE_NAME, NULL) package_name,
  COALESCE(a.TYPE_SUBNAME, a.TYPE_NAME, a.DATA_TYPE) ATTR_TYPE_NAME,
  a.DATA_LENGTH LENGTH, a.DATA_PRECISION PRECISION, a.DATA_SCALE SCALE
FROM SYS.ALL_ARGUMENTS a
JOIN (
  SELECT
    a.TYPE_OWNER, a.TYPE_NAME, a.TYPE_SUBNAME,
    MIN(a.OWNER) KEEP (DENSE_RANK FIRST ORDER BY a.OWNER ASC, a.PACKAGE_NAME ASC, a.SUBPROGRAM_ID ASC, a.SEQUENCE ASC) OWNER,
    MIN(a.PACKAGE_NAME) KEEP (DENSE_RANK FIRST ORDER BY a.OWNER ASC, a.PACKAGE_NAME ASC, a.SUBPROGRAM_ID ASC, a.SEQUENCE ASC) PACKAGE_NAME,
    MIN(a.SUBPROGRAM_ID) KEEP (DENSE_RANK FIRST ORDER BY a.OWNER ASC, a.PACKAGE_NAME ASC, a.SUBPROGRAM_ID ASC, a.SEQUENCE ASC) SUBPROGRAM_ID,
    MIN(a.SEQUENCE) KEEP (DENSE_RANK FIRST ORDER BY a.OWNER ASC, a.PACKAGE_NAME ASC, a.SUBPROGRAM_ID ASC, a.SEQUENCE ASC) SEQUENCE,
    MIN(next_sibling) KEEP (DENSE_RANK FIRST ORDER BY a.OWNER ASC, a.PACKAGE_NAME ASC, a.SUBPROGRAM_ID ASC, a.SEQUENCE ASC) next_sibling,
    MIN(a.DATA_LEVEL) KEEP (DENSE_RANK FIRST ORDER BY a.OWNER ASC, a.PACKAGE_NAME ASC, a.SUBPROGRAM_ID ASC, a.SEQUENCE ASC) DATA_LEVEL
  FROM (
    SELECT
      lead(a.SEQUENCE, 1, a.SEQUENCE) OVER (
        PARTITION BY a.OWNER, a.PACKAGE_NAME, a.SUBPROGRAM_ID, a.DATA_LEVEL
        ORDER BY a.SEQUENCE ASC
      ) next_sibling,
      a.TYPE_OWNER, a.TYPE_NAME, a.TYPE_SUBNAME, a.OWNER, a.PACKAGE_NAME, 
      a.SUBPROGRAM_ID, a.SEQUENCE, a.DATA_LEVEL, a.DATA_TYPE
    FROM SYS.ALL_ARGUMENTS a
    WHERE a.OWNER IN ('MY_SCHEMA')     -- Possibly replace schema here
    ) a
  WHERE (a.TYPE_OWNER IN ('MY_SCHEMA') -- Possibly replace schema here
  AND a.OWNER         IN ('MY_SCHEMA') -- Possibly replace schema here
  AND a.DATA_TYPE      = 'PL/SQL RECORD')
  GROUP BY a.TYPE_OWNER, a.TYPE_NAME, a.TYPE_SUBNAME
  ) x
ON ((a.OWNER, a.PACKAGE_NAME, a.SUBPROGRAM_ID) = ((x.OWNER, x.PACKAGE_NAME, x.SUBPROGRAM_ID))
AND a.SEQUENCE BETWEEN x.SEQUENCE AND next_sibling
AND a.DATA_LEVEL = (x.DATA_LEVEL + 1))
ORDER BY x.TYPE_OWNER ASC, x.TYPE_NAME ASC, x.TYPE_SUBNAME ASC, a.SEQUENCE ASC

Meer informatie details over deze techniek in deze blogpost (waaruit de zoekopdracht is overgenomen) .