@Override public String generateFirstPageQuery(int pageSize) { StringBuilder sql = new StringBuilder(); sql.append("SELECT * FROM ( "); sql.append("SELECT ").append(StringUtils.hasText(getOrderedQueryAlias()) ? getOrderedQueryAlias() + ".*, " : "*, "); sql.append("ROW_NUMBER() OVER (").append(getOverClause()); sql.append(") AS ROW_NUMBER"); sql.append(getOverSubstituteClauseStart()); sql.append(" FROM ").append(getFromClause()).append( getWhereClause() == null ? "" : " WHERE " + getWhereClause()); sql.append(getGroupClause() == null ? "" : " GROUP BY " + getGroupClause()); sql.append(getOverSubstituteClauseEnd()); sql.append(") ").append(getSubQueryAlias()).append("WHERE ").append(extractTableAlias()).append( "ROW_NUMBER <= ").append(pageSize); sql.append(" ORDER BY ").append(SqlPagingQueryUtils.buildSortClause(this)); return sql.toString(); }
@Override public String generateRemainingPagesQuery(int pageSize) { StringBuilder sql = new StringBuilder(); sql.append("SELECT * FROM ( "); sql.append("SELECT ").append(StringUtils.hasText(getOrderedQueryAlias()) ? getOrderedQueryAlias() + ".*, " : "*, "); sql.append("ROW_NUMBER() OVER (").append(getOverClause()); sql.append(") AS ROW_NUMBER"); sql.append(getOverSubstituteClauseStart()); sql.append(" FROM ").append(getFromClause()); if (getWhereClause() != null) { sql.append(" WHERE "); sql.append(getWhereClause()); } sql.append(getGroupClause() == null ? "" : " GROUP BY " + getGroupClause()); sql.append(getOverSubstituteClauseEnd()); sql.append(") ").append(getSubQueryAlias()).append("WHERE ").append(extractTableAlias()).append( "ROW_NUMBER <= ").append(pageSize); sql.append(" AND "); SqlPagingQueryUtils.buildSortConditions(this, sql); sql.append(" ORDER BY ").append(SqlPagingQueryUtils.buildSortClause(this)); return sql.toString(); }
@Override public String generateJumpToItemQuery(int itemIndex, int pageSize) { int page = itemIndex / pageSize; int lastRowNum = (page * pageSize); if (lastRowNum <= 0) { lastRowNum = 1; } StringBuilder sql = new StringBuilder(); sql.append("SELECT "); buildSortKeySelect(sql, getSortKeysReplaced(extractTableAlias())); sql.append(" FROM ( "); sql.append("SELECT "); buildSortKeySelect(sql); sql.append(", ROW_NUMBER() OVER (").append(getOverClause()); sql.append(") AS ROW_NUMBER"); sql.append(getOverSubstituteClauseStart()); sql.append(" FROM ").append(getFromClause()); sql.append(getWhereClause() == null ? "" : " WHERE " + getWhereClause()); sql.append(getGroupClause() == null ? "" : " GROUP BY " + getGroupClause()); sql.append(getOverSubstituteClauseEnd()); sql.append(") ").append(getSubQueryAlias()).append("WHERE ").append(extractTableAlias()).append( "ROW_NUMBER = ").append(lastRowNum); sql.append(" ORDER BY ").append(SqlPagingQueryUtils.buildSortClause(getSortKeysReplaced(extractTableAlias()))); return sql.toString(); }
@Override public String generateFirstPageQuery(int pageSize) { StringBuilder sql = new StringBuilder(); sql.append("SELECT * FROM ( "); sql.append("SELECT ").append(StringUtils.hasText(getOrderedQueryAlias()) ? getOrderedQueryAlias() + ".*, " : "*, "); sql.append("ROW_NUMBER() OVER (").append(getOverClause()); sql.append(") AS ROW_NUMBER"); sql.append(getOverSubstituteClauseStart()); sql.append(" FROM ").append(getFromClause()).append( getWhereClause() == null ? "" : " WHERE " + getWhereClause()); sql.append(getGroupClause() == null ? "" : " GROUP BY " + getGroupClause()); sql.append(getOverSubstituteClauseEnd()); sql.append(") ").append(getSubQueryAlias()).append("WHERE ").append(extractTableAlias()).append( "ROW_NUMBER <= ").append(pageSize); sql.append(" ORDER BY ").append(SqlPagingQueryUtils.buildSortClause(this)); return sql.toString(); }
@Override public String generateRemainingPagesQuery(int pageSize) { StringBuilder sql = new StringBuilder(); sql.append("SELECT * FROM ( "); sql.append("SELECT ").append(StringUtils.hasText(getOrderedQueryAlias()) ? getOrderedQueryAlias() + ".*, " : "*, "); sql.append("ROW_NUMBER() OVER (").append(getOverClause()); sql.append(") AS ROW_NUMBER"); sql.append(getOverSubstituteClauseStart()); sql.append(" FROM ").append(getFromClause()); if (getWhereClause() != null) { sql.append(" WHERE "); sql.append(getWhereClause()); } sql.append(getGroupClause() == null ? "" : " GROUP BY " + getGroupClause()); sql.append(getOverSubstituteClauseEnd()); sql.append(") ").append(getSubQueryAlias()).append("WHERE ").append(extractTableAlias()).append( "ROW_NUMBER <= ").append(pageSize); sql.append(" AND "); SqlPagingQueryUtils.buildSortConditions(this, sql); sql.append(" ORDER BY ").append(SqlPagingQueryUtils.buildSortClause(this)); return sql.toString(); }
@Override public String generateJumpToItemQuery(int itemIndex, int pageSize) { int page = itemIndex / pageSize; int lastRowNum = (page * pageSize); if (lastRowNum <= 0) { lastRowNum = 1; } StringBuilder sql = new StringBuilder(); sql.append("SELECT "); buildSortKeySelect(sql, getSortKeysReplaced(extractTableAlias())); sql.append(" FROM ( "); sql.append("SELECT "); buildSortKeySelect(sql); sql.append(", ROW_NUMBER() OVER (").append(getOverClause()); sql.append(") AS ROW_NUMBER"); sql.append(getOverSubstituteClauseStart()); sql.append(" FROM ").append(getFromClause()); sql.append(getWhereClause() == null ? "" : " WHERE " + getWhereClause()); sql.append(getGroupClause() == null ? "" : " GROUP BY " + getGroupClause()); sql.append(getOverSubstituteClauseEnd()); sql.append(") ").append(getSubQueryAlias()).append("WHERE ").append(extractTableAlias()).append( "ROW_NUMBER = ").append(lastRowNum); sql.append(" ORDER BY ").append(SqlPagingQueryUtils.buildSortClause(getSortKeysReplaced(extractTableAlias()))); return sql.toString(); }