Mercurial > hg > monetdb-java
changeset 760:f2f7039f93b1
Optimization: When number of resultcolumns is less than MAX_COLUMNS_PER_QUERY (which is 80) we can make a StringBuilder with a smaller initial capacity.
| author | Martin van Dinther <martin.van.dinther@monetdbsolutions.com> |
|---|---|
| date | Thu, 29 Jun 2023 16:07:56 +0200 (22 months ago) |
| parents | 846a456f0f0c |
| children | e1389c0ffb7c |
| files | src/main/java/org/monetdb/jdbc/MonetResultSetMetaData.java |
| diffstat | 1 files changed, 1 insertions(+), 1 deletions(-) [+] |
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--- a/src/main/java/org/monetdb/jdbc/MonetResultSetMetaData.java +++ b/src/main/java/org/monetdb/jdbc/MonetResultSetMetaData.java @@ -875,7 +875,7 @@ final class MonetResultSetMetaData // for debug: System.out.println("fetchManyColumnsInfo(" + column + ")" + (startcol != column ? " changed into startcol: " + startcol : "") + " nextUpperbound: " + nextUpperbound); } - final StringBuilder query = new StringBuilder(410 + (MAX_COLUMNS_PER_QUERY * 150)); + final StringBuilder query = new StringBuilder(410 + (java.lang.Math.min(MAX_COLUMNS_PER_QUERY, colCount) * 150)); /* next SQL query is a simplified version of query in MonetDatabaseMetaData.getColumns(), to fetch only the needed attributes of a column */ query.append("SELECT " + "s.\"name\" AS schnm, " +