Revision 2523
Added by sgarg over 19 years ago
| src/edu/ucsb/nceas/metacat/QuerySpecification.java | ||
|---|---|---|
| 939 | 939 |
MetaCatUtil.debugMessage("querySpecification.printExtendedSQL called\n", 35);
|
| 940 | 940 |
StringBuffer self = new StringBuffer(); |
| 941 | 941 |
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| 942 |
// test if the are elements in the return fields |
|
| 943 |
if ( returnFieldList.size() == 0 ) {
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|
| 944 |
return null; |
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| 945 |
} |
|
| 946 |
self.append("select xml_nodes.docid, xml_index.path, xml_nodes.nodedata, ");
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|
| 947 |
self.append("xml_nodes.parentnodeid ");
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|
| 948 |
self.append("from xml_index, xml_nodes where xml_index.nodeid=");
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| 949 |
self.append("xml_nodes.parentnodeid and (xml_index.path like '");
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|
| 942 |
boolean usePathIndex = true; |
|
| 950 | 943 |
|
| 951 |
boolean firstfield = true; |
|
| 952 |
//put the returnfields into the query |
|
| 953 |
//the for loop allows for multiple fields |
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| 954 |
for (int i = 0; i < returnFieldList.size(); i++) {
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| 955 |
if (firstfield) {
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| 956 |
firstfield = false; |
|
| 957 |
self.append((String) returnFieldList.elementAt(i)); |
|
| 958 |
self.append("' ");
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| 959 |
} else {
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| 960 |
self.append("or xml_index.path like '");
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| 961 |
self.append((String) returnFieldList.elementAt(i)); |
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| 962 |
self.append("' ");
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|
| 963 |
} |
|
| 964 |
} |
|
| 965 |
self.append(") AND xml_nodes.docid in (");
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| 966 |
self.append(doclist); |
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| 967 |
self.append(") AND xml_nodes.nodetype = 'TEXT'");
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|
| 944 |
// test if the are elements in the return fields |
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| 945 |
if ( returnFieldList.size() == 0 ) {
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| 946 |
return null; |
|
| 947 |
} |
|
| 968 | 948 |
|
| 969 |
addAccessRestrictionSQL(unaccessableNodePair, self); |
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| 949 |
for (int i = 0; i < returnFieldList.size(); i++) {
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|
| 950 |
if(!MetaCatUtil.pathsForIndexing.contains |
|
| 951 |
(returnFieldList.elementAt(i))){
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|
| 952 |
usePathIndex = false; |
|
| 953 |
break; |
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| 954 |
} |
|
| 955 |
} |
|
| 970 | 956 |
|
| 971 |
return self.toString(); |
|
| 957 |
if(usePathIndex){
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| 958 |
self.append("select docid, path, nodedata, parentnodeid ");
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|
| 959 |
self.append("from xml_path_index where (path like '");
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| 960 |
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|
| 961 |
boolean firstfield = true; |
|
| 962 |
//put the returnfields into the query |
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| 963 |
//the for loop allows for multiple fields |
|
| 964 |
for (int i = 0; i < returnFieldList.size(); i++) {
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|
| 965 |
if (firstfield) {
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| 966 |
firstfield = false; |
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| 967 |
self.append( (String) returnFieldList.elementAt(i)); |
|
| 968 |
self.append("' ");
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|
| 969 |
} |
|
| 970 |
else {
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|
| 971 |
self.append("or path like '");
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| 972 |
self.append( (String) returnFieldList.elementAt(i)); |
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| 973 |
self.append("' ");
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| 974 |
} |
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| 975 |
} |
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| 976 |
self.append(") AND docid in (");
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| 977 |
self.append(doclist); |
|
| 978 |
self.append(")");
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| 979 |
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| 980 |
} else {
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| 981 |
self.append("select xml_nodes.docid, xml_index.path, xml_nodes.nodedata, ");
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| 982 |
self.append("xml_nodes.parentnodeid ");
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| 983 |
self.append("from xml_index, xml_nodes where xml_index.nodeid=");
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| 984 |
self.append("xml_nodes.parentnodeid and (xml_index.path like '");
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| 985 |
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| 986 |
boolean firstfield = true; |
|
| 987 |
//put the returnfields into the query |
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| 988 |
//the for loop allows for multiple fields |
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| 989 |
for (int i = 0; i < returnFieldList.size(); i++) {
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| 990 |
if (firstfield) {
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| 991 |
firstfield = false; |
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| 992 |
self.append((String) returnFieldList.elementAt(i)); |
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| 993 |
self.append("' ");
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| 994 |
} else {
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| 995 |
self.append("or xml_index.path like '");
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| 996 |
self.append((String) returnFieldList.elementAt(i)); |
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| 997 |
self.append("' ");
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|
| 998 |
} |
|
| 999 |
} |
|
| 1000 |
self.append(") AND xml_nodes.docid in (");
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|
| 1001 |
self.append(doclist); |
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| 1002 |
self.append(") AND xml_nodes.nodetype = 'TEXT'");
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| 1003 |
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| 1004 |
} |
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| 1005 |
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| 1006 |
addAccessRestrictionSQL(unaccessableNodePair, self); |
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| 1007 |
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| 1008 |
return self.toString(); |
|
| 972 | 1009 |
} |
| 973 | 1010 |
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| 974 | 1011 |
|
Also available in: Unified diff
Check if all the paths in returnfield are indexed. If yes, then you xml_path_index for getting values of returnfields instead of using xml_nodes + xml_index