Add columnName into WHERE clause

@param columnName
@return
481598
public WhereCondition Col(String columnName) {

        mSgSQL.append(columnName);
        checkTokenOrderIsCorrect(ESqlToken.COLUMN);
        return WhereCondition.this;
    }
543499
public static String[] getColumnNames(DataSource ds, String tableName) {
		List<String> columnNames = new ArrayList<String>();
		Connection conn = null;
		ResultSet rs = null;
		try {
			conn = ds.getConnection();
			final DatabaseMetaData metaData = conn.getMetaData();
			rs = metaData.getColumns(conn.getCatalog(), null, tableName, null);
			while (rs.next()) {
				columnNames.add(rs.getString("COLUMN_NAME"));
			}
			return columnNames.toArray(new String[columnNames.size()]);
		} catch (Exception e) {
			throw new DbRuntimeException("Get columns error!", e);
		} finally {
			DbUtil.close(rs, conn);
		}
	}
5942
@Override
	public String onColumnName(String columnName) {
		if (onlyBindParameter)
			return null;

		if (currentSchema != null) {
			Set<SQLProperty> props = currentSchema.getPropertyBySimpleName(columnName);
			AssertKripton.assertTrueOrUnknownPropertyInJQLException(props != null && props.size() > 0, currentMethod, columnName);
			return props.iterator().next().columnName;
		} else {
			return null;
		}
	}
60890
public void addColumn(ColumnName name, boolean primary) {
    ColumnHeader<ColumnName> top = new ColumnHeader<ColumnName>(name, 0);
    top.up = top;
    top.down = top;
    if (primary) {
      Node<ColumnName> tail = head.left;
      tail.right = top;
      top.left = tail;
      top.right = head;
      head.left = top;
    } else {
      top.left = top;
      top.right = top;
    }
    columns.add(top);
  }
756559
public final Object getColumnValue(final String columnName) {
        SQLExpression sqlExpression = values[getColumnIndex(columnName)];
        if (sqlExpression instanceof SQLParameterMarkerExpression) {
            return parameters[getParameterIndex(sqlExpression)];
        } else if (sqlExpression instanceof SQLTextExpression) {
            return ((SQLTextExpression) sqlExpression).getText();
        } else {
            return ((SQLNumberExpression) sqlExpression).getNumber();
        }
    }
517877
def move_where_clause_to_column(self, column='condition', key=None):
        
        if self.conditions:
            expr = " AND ".join(self.conditions)
            params = self.params
            self.params = []
            self.conditions = []
        else:
            expr = '1'
            params = []
        self.add_column('({0}) AS {1}'.format(expr, column),
                        key or column,
                        params)
1235530
public int getIndexOfColumn(String columnName) {
        Integer idx = columnNamesIndex.get(columnName);
        if (idx == null)
            throw new NoSuchElementException("Unknown column: \"" + columnName + "\"");
        return idx;
    }
1195761
public Where<T, ID> isNull(String columnName) throws SQLException {
		addClause(new IsNull(columnName, findColumnFieldType(columnName)));
		return this;
	}
1163271
public function orIs(string $columnName)
    {
        $this->addCondition('OR', $this->dialect()->quoteName($columnName) . ' = 1');

        return $this;
    }
526048
public boolean hasColumnName(String columnName) {
		for (FieldType fieldType : fieldTypes) {
			if (fieldType.getColumnName().equals(columnName)) {
				return true;
			}
		}
		return false;
	}
402015
public StringBuilder getSQLCondition(StringBuilder builder, String columnName) {
		String string = networkString.getString();
		if(isEntireAddress) {
			matchString(builder, columnName, string);
		} else {
			matchSubString(
					builder,
					columnName,
					networkString.getTrailingSegmentSeparator(),
					networkString.getTrailingSeparatorCount() + 1,
					string);
		}
		return builder;
	}
640678
public DynamicReportBuilder addField(String name, String className) {
        return addField(new ColumnProperty(name, className));
    }
542416
private void addColumn(String storeName, String rowKey, String colName) {
        addColumn(storeName, rowKey, colName, null);
    }
1057772
public Where<T, ID> gt(String columnName, Object value) throws SQLException {
		addClause(new SimpleComparison(columnName, findColumnFieldType(columnName), value,
				SimpleComparison.GREATER_THAN_OPERATION));
		return this;
	}
658098
public ColumnModel getColumnByColName(String colName) {
		for (ColumnModel columnModel : columns) {
			if (columnModel.getColumnName() != null && columnModel.getColumnName().equalsIgnoreCase(colName))
				return columnModel;
		}
		return null;
	}
861508
public String logicalColumnName(String columnName, String propertyName) {
    return Strings.isNotEmpty(columnName) ? columnName : propertyToColumnName(propertyName);
  }
1188607
public AbstractColumnFamilyTemplate<K,N> addColumn(N columnName, Serializer<?> valueSerializer) {
    columnValueSerializers.put(columnName, valueSerializer);
    activeSlicePredicate.addColumnName(columnName);
    return this;
  }