This is an automated email from the git hooks/post-receive script. ebourg-guest pushed a commit to annotated tag REL9_3_1102 in repository libpostgresql-jdbc-java.
commit 95954d2e49b9e0f0e4ff52404bdc9a54390b5c92 Author: Dave Cramer <[email protected]> Date: Tue Jul 8 11:20:38 2014 -0400 Added caching for ResultSetMetaData from Christophe Canovas --- org/postgresql/jdbc2/CacheMetadata.java | 76 +++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) diff --git a/org/postgresql/jdbc2/CacheMetadata.java b/org/postgresql/jdbc2/CacheMetadata.java new file mode 100644 index 0000000..1796b5b --- /dev/null +++ b/org/postgresql/jdbc2/CacheMetadata.java @@ -0,0 +1,76 @@ +package org.postgresql.jdbc2; + +import java.util.HashMap; +import java.util.LinkedList; +import java.util.List; +import java.util.Map; + +import org.postgresql.core.Field; + +public class CacheMetadata { + private static Map<String, List<CacheMetadataField>> _cache = + new HashMap<String, List<CacheMetadataField>>(); + + protected boolean isCached(String idFields) { + return _cache.containsKey(idFields); + } + + protected void getCache(String idFields, Field[] fields) { + List<CacheMetadataField> liste = _cache.get(idFields); + if (liste != null) { + int no = 0; + for (CacheMetadataField c : liste) { + c.get(fields[no++]); + } + } + } + + protected void setCache(String idFields, Field[] fields) { + List<CacheMetadataField> liste = new LinkedList<CacheMetadataField>(); + + for (int i = 0 ; i < fields.length ; i++) { + CacheMetadataField c = new CacheMetadataField(fields[i]); + liste.add(c); + } + + _cache.put(idFields, liste); + } + + protected String getIdFields(Field[] fields) { + StringBuffer sb = new StringBuffer(); + + for (int i = 0 ; i < fields.length ; i++) { + sb.append(getIdField(fields[i])).append('/'); + } + + return sb.toString(); + } + + private String getIdField(Field f) { + return f.getTableOid() + "." + f.getPositionInTable(); + } +} + +class CacheMetadataField { + private String colName; + private String tabName; + private String schemaName; + private int nullable; + private boolean auto; + + protected CacheMetadataField(Field f) { + colName = f.getColumnName(); + tabName = f.getTableName(); + schemaName = f.getSchemaName(); + nullable = f.getNullable(); + auto = f.getAutoIncrement(); + } + + protected void get(Field f) { + f.setColumnName(colName); + f.setTableName(tabName); + f.setSchemaName(schemaName); + f.setNullable(nullable); + f.setAutoIncrement(auto); + } +} -- Alioth's /usr/local/bin/git-commit-notice on /srv/git.debian.org/git/pkg-java/libpostgresql-jdbc-java.git _______________________________________________ pkg-java-commits mailing list [email protected] http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-java-commits
